Simplify and solve cache issue

bin/build

@@ -103,11 +103,6 @@ DOCKER_ARGS=(
   -v "$BUILD_ROOT/pkgbuilds:/pkgbuilds:ro"
 )
 
-# Use local pacman cache if you already have one on host to speed up repeat runs
-if [ -d "/var/cache/pacman/pkg" ]; then
-  DOCKER_ARGS+=(-v "/var/cache/pacman/pkg:/var/cache/pacman/pkg")
-fi
-
 # Run the builder with assembled args
 IMAGE_TAG="omarchy-pkg-builder:latest-$ARCH"
 PLATFORM_ARG=$(get_platform_arg "$ARCH")