remove keepBytes

Signed-off-by: Junpu Fan <junpu@amazon.com>

Author: junpuf

.github/scripts/buildkitd.sh

@@ -91,15 +91,9 @@ cat <<EOF > "$TMP_CONFIG"
   defaultKeepStorage = "$KEEP_HUMAN"
   [[gc.policy]]
     keepDuration = "720h"    # 30 days
-    keepBytes = "$KEEP_BYTES"
     filters = ["type==regular"]
 EOF
 
-echo "New Config: "
-cat $TMP_CONFIG
-echo "Old Config: "
-cat $CONFIG_PATH
-
 if [ ! -f "$CONFIG_PATH" ]; then
   echo "🆕 No existing config found — creating $CONFIG_PATH"
   sudo cp "$TMP_CONFIG" "$CONFIG_PATH"