CI: Remove CMake caching.

Seems like the build root can change and CMake rightfully gets confused at the conflicting paths, so let's just use the minutes to do this from scratch.

.github/workflows/ci.yml

@@ -61,20 +61,9 @@ jobs:
       if: steps.cache-brew.outputs.cache-hit != 'true'
       run: brew install ninja sdl2
 
-    - name: Cache CMake build folder
-      id: cache-cmake-build
-      uses: actions/cache@v3
-      with:
-        path: ${{ env.SRC_DIR_PATH }}/build
-        key: ${{ runner.os }}-${{ env.container_image_tag }}-cmake-build-${{ hashFiles(format('{0}/CMakeLists.txt', env.SRC_DIR_PATH)) }}
-      # Using a more specific key including a reference to the container if possible
-      # We need to define container_image_tag in the env or find a way to get it
-
     - name: CMake configure (default version)
       run: |
         mkdir -p ${SRC_DIR_PATH}/build && cd ${SRC_DIR_PATH}/build
-        # If cache was hit and build dir exists, this cmake might just verify.
-        # If build dir is empty, it will configure.
         cmake -G Ninja ..
     - name: Build (default version)
       run: ninja -C ${SRC_DIR_PATH}/build
@@ -107,19 +96,9 @@ jobs:
       with:
         submodules: true
 
-    - name: Cache CMake build folder
-      id: cache-cmake-build
-      uses: actions/cache@v3
-      with:
-        path: ${{ env.SRC_DIR_PATH }}/build
-        key: ${{ runner.os }}-${{ env.CONTAINER_IMAGE_TAG }}-cmake-build-${{ hashFiles(format('{0}/CMakeLists.txt', env.SRC_DIR_PATH)) }}
-      # Using a more specific key including a reference to the container
-
     - name: CMake configure (default version)
       run: |
         mkdir -p ${SRC_DIR_PATH}/build && cd ${SRC_DIR_PATH}/build
-        # If cache was hit and build dir exists, this cmake might just verify.
-        # If build dir is empty, it will configure.
         cmake -G Ninja ..
     - name: Build (default version)
       run: ninja -C ${SRC_DIR_PATH}/build
@@ -166,19 +145,7 @@ jobs:
         Invoke-WebRequest "https://github.com/libsdl-org/SDL/releases/download/release-$env:SDL_VERSION/SDL2-devel-$env:SDL_VERSION-VC.zip" -OutFile C:\SDL.zip
         Expand-Archive C:\SDL.zip -DestinationPath C:\
 
-    - name: Cache build folder for this CMakeLists.txt
-      id: cache-windows-build-folder
-      uses: actions/cache@v3
-      env:
-        cache-name: cache-windows-build-folder-VS2022
-      with:
-        path: |
-          desktop_version/build
-          desktop_version/CMakeLists.txt
-        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('desktop_version/CMakeLists.txt') }}-SDL${{ env.SDL_VERSION }}
-
-    - if: ${{ steps.cache-windows-build-folder.outputs.cache-hit != 'true' }}
-      name: CMake initial configure/generate
+    - name: CMake initial configure/generate
       run: |
         mkdir $env:SRC_DIR_PATH/build
         cd $env:SRC_DIR_PATH/build