GitHub Action: upload ARM artifacts

And some clean up in other files.

closes https://github.com/official-stockfish/Stockfish/pull/4269

No functional change

.github/workflows/stockfish_sanitizers.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Download required linux packages
         run: |
           sudo apt update
-          sudo apt install expect valgrind g++-multilib qemu-user
+          sudo apt install expect valgrind g++-multilib
 
       - name: Download the used network from the fishtest framework
         run: |
@@ -60,7 +60,6 @@ jobs:
 
       - name: Check compiler
         run: |
-          export PATH=$PATH:$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin
           $COMPILER -v
 
       - name: Test help target
@@ -74,4 +73,4 @@ jobs:
           export CXXFLAGS="-O1 -fno-inline"
           make clean
           make -j2 ARCH=x86-64-modern ${{ matrix.sanitizers.make_option }} debug=yes optimize=no build > /dev/null
-          ../tests/instrumented.sh --${{ matrix.sanitizers.instrumented_option }}
+          ../tests/instrumented.sh --${{ matrix.sanitizers.instrumented_option }}