Add review suggestions

resources/bin/bal

@@ -36,7 +36,7 @@ then
     then
       printf "#!/usr/bin/env bash\n\n"
       cat $CURRENT_PATH/../scripts/bal_completion.bash
-    else
+    elif [ "$2" == "zsh" ]
       printf "#!/usr/bin/env bash\n\n"
       printf "autoload -U +X bashcompinit && bashcompinit\n"
       printf "autoload -U +X compinit && compinit\n\n"

resources/scripts/install

@@ -47,11 +47,6 @@ fi
 
 if [ $? -ne '0' ]; then
   echo "error occurred while copying completion script file."
-  # remove already copied jar.
-  if [ -f "$CURRENT_PATH/../lib/ballerina-command-@[email protected]" ]; then
-        rm -rf $CURRENT_PATH/../lib/ballerina-command-@[email protected]
-  fi
-  exit $?
 fi
 
 echo "Updating environment variables"