refactor: inline 'message'

Author: dukeluo

lib/rules/filename-blacklist.js

@@ -65,12 +65,11 @@ module.exports = {
 
           if (matchResult) {
             const { path } = matchResult;
-            let message =
-              'The filename "{{ path }}" matches the blacklisted "{{ blackListPattern }}" pattern. Use a pattern like "{{ useInsteadPattern }}" instead.';
 
             context.report({
               node,
-              message,
+              message:
+                'The filename "{{ path }}" matches the blacklisted "{{ blackListPattern }}" pattern. Use a pattern like "{{ useInsteadPattern }}" instead.',
               data: {
                 path,
                 blackListPattern,