remove tags for themes that don't build their css (#4877)

package-dotorg.sh

@@ -4,6 +4,11 @@ if [[ "$1" != "" ]]; then
 	find $THEME/assets/sass/*.scss -type f -exec sed -i '' 's/-wpcom//g' {} \; 
 	find $THEME/assets/sass/*.scss -type f -exec sed -i '' 's/, auto-loading-homepage//g' {} \; 
 	find $THEME/assets/sass/*.scss -type f -exec sed -i '' 's/, jetpack-global-styles//g' {} \; 
+
+	find $THEME/style.css -type f -exec sed -i '' 's/-wpcom//g' {} \; 
+	find $THEME/style.css -type f -exec sed -i '' 's/, auto-loading-homepage//g' {} \; 
+	find $THEME/style.css -type f -exec sed -i '' 's/, jetpack-global-styles//g' {} \; 
+
 	cd $THEME && npm run build;
 	mkdir $THEME;
 	rsync -avz --include='theme.json' --exclude $THEME --exclude-from '../dotorg-exclude.txt' ./ $THEME