Address review comments

This splits the Linux workflow and build script into linux and linux-arm64.

.ci/linux-arm64.sh

@@ -0,0 +1,21 @@
+#!/bin/sh -ex
+
+mkdir build && cd build
+ cmake .. -G Ninja \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_C_COMPILER=aarch64-linux-gnu-gcc-11 \
+    -DCMAKE_CXX_COMPILER=aarch64-linux-gnu-g++-11 \
+    -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+    -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
+    -DENABLE_ASM=OFF \
+    -DENABLE_QT_TRANSLATION=ON \
+    -DCITRA_ENABLE_COMPATIBILITY_REPORTING=ON \
+    -DCITRA_ENABLE_BUNDLE_TARGET=OFF \
+    -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON \
+    -DUSE_DISCORD_PRESENCE=ON
+ninja
+
+DESTDIR="$PWD/AppDir" ninja install
+7z a AppDir.7z AppDir
+mkdir bundle
+mv AppDir.7z ./bundle

.ci/linux.sh

@@ -1,28 +1,5 @@
 #!/bin/sh -ex
 
-if [ "$TARGET" = "arm64-appimage" ]; then
-mkdir build && cd build
-CC=aarch64-linux-gnu-gcc-11 CXX=aarch64-linux-gnu-g++-11 cmake .. -G Ninja \
-    -DCMAKE_BUILD_TYPE=Release \
-    -DCMAKE_C_COMPILER_LAUNCHER=ccache \
-    -DCMAKE_CXX_COMPILER_LAUNCHER=ccache \
-    -DENABLE_ASM=OFF \
-    -DENABLE_QT_TRANSLATION=ON \
-    -DCITRA_ENABLE_COMPATIBILITY_REPORTING=ON \
-    -DCITRA_ENABLE_BUNDLE_TARGET=OFF \
-    -DENABLE_COMPATIBILITY_LIST_DOWNLOAD=ON \
-    -DUSE_DISCORD_PRESENCE=ON
-ninja
-
-DESTDIR="$PWD/AppDir" ninja install
-mv ./AppDir/usr/local/* ./AppDir/usr
-rm -rf ./AppDir/usr/local
-sed -e s/PrefersNonDefaultGPU=true//g -i ./AppDir/usr/share/applications/citra-qt.desktop
-7z a AppDir.7z AppDir
-mkdir bundle
-mv AppDir.7z ./bundle
-else
-
 mkdir build && cd build
 cmake .. -G Ninja \
     -DCMAKE_BUILD_TYPE=Release \
@@ -34,11 +11,10 @@ cmake .. -G Ninja \
     -DUSE_DISCORD_PRESENCE=ON
 ninja
 
- if [ "$TARGET" = "appimage" ]; then
+if [ "$TARGET" = "appimage" ]; then
     ninja bundle
- fi
+fi
 
 ccache -s
 
 ctest -VV -C Release
-fi