lib/client: remove no-op statement (brianc#3240)

This looks like it was a refactoring of var connectionTimeoutHandle; Co-authored-by: alxndrsn <alxndrsn>

Author: alxndrsn

packages/pg/lib/client.js

@@ -99,7 +99,6 @@ class Client extends EventEmitter {
  }
  this._connecting = true
 
- this.connectionTimeoutHandle
  if (this._connectionTimeoutMillis > 0) {
  this.connectionTimeoutHandle = setTimeout(() => {
  con._ending = true