Remove 32-bit builds from CI on Github and Gitlab.

.github/workflows/build.yml

@@ -43,7 +43,7 @@ jobs:
     runs-on: windows-latest
     strategy:
       matrix:
-        platform: [x64, Win32]
+        platform: [x64]
     env:
       Platform: ${{ matrix.platform }}
       SDL2_version: 2.26.0
@@ -59,7 +59,7 @@ jobs:
           7z x "C:\SDL2-devel.zip" -o"C:\"
           xcopy /S "C:\SDL2-%SDL2_version%\include" src\common
           if %Platform%==x64 xcopy /S "C:\SDL2-%SDL2_version%\lib\x64" src\os\windows
-          if %Platform%==Win32 xcopy /S "C:\SDL2-%SDL2_version%\lib\x86" src\os\windows
+
       - name: Build Stella
         run: |
           msbuild src\os\windows\Stella.sln

.gitlab-ci.yml

@@ -18,18 +18,10 @@ include:
   - project: 'libretro-infrastructure/ci-templates'
     file: '/windows-x64-mingw.yml'
 
-  # Windows 32-bit
-  - project: 'libretro-infrastructure/ci-templates'
-    file: '/windows-i686-mingw.yml'
-
   # Linux 64-bit
   - project: 'libretro-infrastructure/ci-templates'
     file: '/linux-x64.yml'
 
-  # Linux 32-bit
-  - project: 'libretro-infrastructure/ci-templates'
-    file: '/linux-i686.yml'
-
   # MacOS 64-bit
   - project: 'libretro-infrastructure/ci-templates'
     file: '/osx-x64.yml'
@@ -79,24 +71,12 @@ libretro-build-windows-x64:
     - .libretro-windows-x64-mingw-make-default
     - .core-defs
 
-# Windows 32-bit
-libretro-build-windows-i686:
-  extends:
-    - .libretro-windows-i686-mingw-make-default
-    - .core-defs
-
 # Linux 64-bit
 libretro-build-linux-x64:
   extends:
     - .libretro-linux-x64-make-default
     - .core-defs
 
-# Linux 32-bit
-libretro-build-linux-i686:
-  extends:
-    - .libretro-linux-i686-make-default
-    - .core-defs
-
 # MacOS 64-bit
 libretro-build-osx-x64:
   extends:
@@ -128,12 +108,6 @@ android-x86_64:
     - .libretro-android-jni-x86_64
     - .core-defs
 
-# Android 32-bit x86
-android-x86:
-  extends:
-    - .libretro-android-jni-x86
-    - .core-defs
-
 # iOS
 libretro-build-ios-arm64:
   extends: