clean codes

src/server/service/bolt.js

@@ -172,16 +172,8 @@ class BoltService {
     for (let i = 1; i < args.length; i++) {
       arr.push(args[i]);
     }
-    console.log('arr', arr);
-    // removing 'search' from the head in the array.
-    // const shiftedValue = args.shift();
-    // const keywords = args.join(' ');
-    const keywords = arr.join(' ');
-    console.log('keywords', keywords);
-    console.log('args', args);
 
-    // adding 'search' to the head in the array again.
-    // args.unshift(shiftedValue);
+    const keywords = arr.join(' ');
 
     const { searchService } = this.crowi;
     const options = { limit: 10, offset };