Misc: make linters happy

Author: markelog

lib/string-checker.js

@@ -116,6 +116,7 @@ StringChecker.prototype = {
     /**
      * Apply fix for specific error.
      *
+     * @param {JsFile} file
      * @param {Error} error
      * @return {Boolean} whether the correction was carried out
      * @private

test/specs/token-assert.js

@@ -906,7 +906,6 @@ describe('token-assert', function() {
 
                 expect(onError).to.have.callCount(1);
 
-                var error = onError.getCall(0).args[0];
                 expect(file.getWhitespaceBefore(nextToken)).to.equal('\n');
             });
         });