Revert "Add test directory to mingw development archive"

This reverts commit c81d5e5.

Author: madebr

build-scripts/release-info.json

@@ -69,9 +69,6 @@
  "cmake": [
  "build-scripts/pkg-support/mingw/cmake/SDL3_imageConfig.cmake",
  "build-scripts/pkg-support/mingw/cmake/SDL3_imageConfigVersion.cmake"
- ],
- "test": [
- "test/*"
  ]
  },
  "dependencies": {