build(publish): uncomment "pub publish" section in pub_publish.sh

it seems that this got commented out by accident in the past

Author: IgorMinar

scripts/publish/pub_publish.sh

@@ -33,9 +33,9 @@ function publishModule {
 
   node scripts/publish/pubspec_cleaner.js --pubspec-file=$PUBLISH_DIR/pubspec.yaml
 
-  #if [[ "$DRY_RUN" == "false" ]]; then
-  #  (cd $PUBLISH_DIR && pub publish -f)
-  #fi;
+  if [[ "$DRY_RUN" == "false" ]]; then
+    (cd $PUBLISH_DIR && pub publish -f)
+  fi;
 }
 
 publishModule angular2