chore: remove obsolete region tags (#1122)

Author: meredithslota

samples/snippets/src/main/java/com/example/firestore/Quickstart.java

@@ -43,15 +43,13 @@ public Quickstart(String projectId) throws Exception {
  // [START firestore_setup_client_create]
  // Option 1: Initialize a Firestore client with a specific `projectId` and
  // authorization credential.
- // [START fs_initialize_project_id]
  // [START firestore_setup_client_create_with_project_id]
  FirestoreOptions firestoreOptions =
  FirestoreOptions.getDefaultInstance().toBuilder()
  .setProjectId(projectId)
  .setCredentials(GoogleCredentials.getApplicationDefault())
  .build();
  Firestore db = firestoreOptions.getService();
- // [END fs_initialize_project_id]
  // [END firestore_setup_client_create_with_project_id]
  // [END firestore_setup_client_create]
  this.db = db;
@@ -65,10 +63,8 @@ public Quickstart() {
 
  // Option 2: Initialize a Firestore client with default values inferred from
  // your environment.
- // [START fs_initialize]
  Firestore db = FirestoreOptions.getDefaultInstance().getService();
  // [END firestore_setup_client_create]
- // [END fs_initialize]
  this.db = db;
  }
 
@@ -84,7 +80,6 @@ Firestore getDb() {
  void addDocument(String docName) throws Exception {
  switch (docName) {
  case "alovelace": {
- // [START fs_add_data_1]
  // [START firestore_setup_dataset_pt1]
  DocumentReference docRef = db.collection("users").document("alovelace");
  // Add document data with id "alovelace" using a hashmap
@@ -98,11 +93,9 @@ void addDocument(String docName) throws Exception {
  // result.get() blocks on response
  System.out.println("Update time : " + result.get().getUpdateTime());
  // [END firestore_setup_dataset_pt1]
- // [END fs_add_data_1]
  break;
  }
  case "aturing": {
- // [START fs_add_data_2]
  // [START firestore_setup_dataset_pt2]
  DocumentReference docRef = db.collection("users").document("aturing");
  // Add document data with an additional field ("middle")
@@ -115,7 +108,6 @@ void addDocument(String docName) throws Exception {
  ApiFuture<WriteResult> result = docRef.set(data);
  System.out.println("Update time : " + result.get().getUpdateTime());
  // [END firestore_setup_dataset_pt2]
- // [END fs_add_data_2]
  break;
  }
  case "cbabbage": {
@@ -135,7 +127,7 @@ void addDocument(String docName) throws Exception {
  }
 
  void runQuery() throws Exception {
- // [START fs_add_query]
+ // [START firestore_setup_add_query]
  // asynchronously query for all users born before 1900
  ApiFuture<QuerySnapshot> query =
  db.collection("users").whereLessThan("born", 1900).get();
@@ -152,11 +144,10 @@ void runQuery() throws Exception {
  System.out.println("Last: " + document.getString("last"));
  System.out.println("Born: " + document.getLong("born"));
  }
- // [END fs_add_query]
+ // [END firestore_setup_add_query]
  }
 
  void retrieveAllDocuments() throws Exception {
- // [START fs_get_all]
  // [START firestore_setup_dataset_read]
  // asynchronously retrieve all users
  ApiFuture<QuerySnapshot> query = db.collection("users").get();
@@ -174,7 +165,6 @@ void retrieveAllDocuments() throws Exception {
  System.out.println("Born: " + document.getLong("born"));
  }
  // [END firestore_setup_dataset_read]
- // [END fs_get_all]
  }
 
  void run() throws Exception {

samples/snippets/src/main/java/com/example/firestore/snippets/ListenDataSnippets.java

@@ -49,7 +49,6 @@ public class ListenDataSnippets {
  Map<String, Object> listenToDocument() throws Exception {
  final SettableApiFuture<Map<String, Object>> future = SettableApiFuture.create();
 
- // [START listen_to_document]
  // [START firestore_listen_document]
  DocumentReference docRef = db.collection("cities").document("SF");
  docRef.addSnapshotListener(
@@ -74,7 +73,6 @@ public void onEvent(@Nullable DocumentSnapshot snapshot, @Nullable FirestoreExce
  }
  });
  // [END firestore_listen_document]
- // [END listen_to_document]
 
  return future.get(TIMEOUT_SECONDS, TimeUnit.SECONDS);
  }
@@ -83,7 +81,6 @@ public void onEvent(@Nullable DocumentSnapshot snapshot, @Nullable FirestoreExce
  List<String> listenForMultiple() throws Exception {
  final SettableApiFuture<List<String>> future = SettableApiFuture.create();
 
- // [START listen_to_multiple]
  // [START firestore_listen_query_snapshots]
  db.collection("cities")
  .whereEqualTo("state", "CA")
@@ -112,7 +109,6 @@ public void onEvent(
  }
  });
  // [END firestore_listen_query_snapshots]
- // [END listen_to_multiple]
 
  return future.get(TIMEOUT_SECONDS, TimeUnit.SECONDS);
  }
@@ -121,7 +117,6 @@ public void onEvent(
  List<DocumentChange> listenForChanges() throws Exception {
  SettableApiFuture<List<DocumentChange>> future = SettableApiFuture.create();
 
- // [START listen_for_changes]
  // [START firestore_listen_query_changes]
  db.collection("cities")
  .whereEqualTo("state", "CA")
@@ -158,14 +153,12 @@ public void onEvent(
  }
  });
  // [END firestore_listen_query_changes]
- // [END listen_for_changes]
 
  return future.get(TIMEOUT_SECONDS, TimeUnit.SECONDS);
  }
 
  /** Demonstrate how to detach an event listener. */
  void detachListener() {
- // [START detach_errors]
  // [START firestore_listen_detach]
  Query query = db.collection("cities");
  ListenerRegistration registration =
@@ -184,12 +177,10 @@ public void onEvent(
  // Stop listening to changes
  registration.remove();
  // [END firestore_listen_detach]
- // [END detach_errors]
  }
 
  /** Demonstrate how to handle listening errors. */
  void listenErrors() {
- // [START listen_errors]
  // [START firestore_listen_handle_error]
  db.collection("cities")
  .addSnapshotListener(
@@ -210,7 +201,6 @@ public void onEvent(
  }
  });
  // [END firestore_listen_handle_error]
- // [END listen_errors]
  }
 
  /** Closes the gRPC channels associated with this instance and frees up their resources. */