Remove separate targets for classic and filament renderer.

The platform::Renderer now supports both implementations at
runtime.

PiperOrigin-RevId: 878427862
Change-Id: I2997c197c6eddbe177c77b435cc5848fd80f1839

.github/workflows/build.yml

@@ -381,20 +381,12 @@ jobs:
       if: ${{ runner.os == 'Linux' }}
       run: bash ./.github/workflows/build_steps.sh prepare_linux
 
-    - name: Configure Studio with legacy OpenGL rendering
-      env:
-        CMAKE_ARGS: ${{ matrix.cmake_args }}
-      run: bash ./.github/workflows/build_steps.sh configure_studio_legacy_opengl
-
-    - name: Build Studio with legacy OpenGL rendering
-      run: bash ./.github/workflows/build_steps.sh build_studio
-
-    - name: Configure Studio with Filament rendering
+    - name: Configure Studio
       env:
         CMAKE_ARGS: ${{ matrix.cmake_args }}
       run: bash ./.github/workflows/build_steps.sh configure_studio
 
-    - name: Build Studio with Filament rendering
+    - name: Build Studio
       run: bash ./.github/workflows/build_steps.sh build_studio
 
     - name: Notify team chat