Fix: Remove inline comments from environment variables

- Removed inline comments from CCACHE_SIZE, BUILD_JOBS, SYNC_JOBS, NINJA_ARGS
- Fixed root cause of 'invalid size' error where Buildkite was reading entire line
- Environment variables now have clean values without trailing comments

build-config-garnet.env

@@ -14,10 +14,10 @@ BUILD_TYPE="UNOFFICIAL"
 # ===================
 # PERFORMANCE SETTINGS (Optimized for Ryzen 5 5600 + 16GB RAM)
 # ===================
-BUILD_JOBS="10"         # 6 cores/12 threads - using 10 to leave headroom
-SYNC_JOBS="6"           # Conservative sync jobs for 16GB RAM
+BUILD_JOBS="10"
+SYNC_JOBS="6"
 CLEAN_BUILD="false"
-CCACHE_SIZE="30G"       # Reduced for 16GB RAM system
+CCACHE_SIZE="30G"
 
 # Memory Management
 JACK_SERVER_VM_ARGUMENTS="-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx3g"
@@ -101,7 +101,7 @@ ALLOW_MISSING_DEPENDENCIES="true"
 # Parallel processing (Optimized for 6 cores)
 BOARD_KERNEL_IMAGE_NAME="Image"
 TARGET_KERNEL_ARCH="arm64"
-NINJA_ARGS="-j8"        # Ninja build jobs for Ryzen 5 5600
+NINJA_ARGS="-j8"
 
 # ===================
 # DEVICE SPECIFIC SETTINGS