Auto optimisations/cleanups performed by Android Studio... (#7)

* Auto optimisations/cleanups performed by Android Studio...

* Fixed indentation:  uses spaces instead of tabs

Author: ram-on

InfoItem.java

@@ -23,7 +23,7 @@
  */
 
 public interface InfoItem extends Serializable{
-    public enum InfoType {
+    enum InfoType {
         STREAM,
         PLAYLIST,
         CHANNEL

services/youtube/YoutubeChannelExtractor.java

@@ -171,11 +171,7 @@ public AbstractStreamInfo.StreamType getStreamType() throws ParsingException {
 
                     @Override
                     public boolean isAd() throws ParsingException {
-                        if(!li.select("span[class*=\"icon-not-available\"]").isEmpty()) {
-                            return true;
-                        } else {
-                            return false;
-                        }
+                        return !li.select("span[class*=\"icon-not-available\"]").isEmpty();
                     }
 
                     @Override

services/youtube/YoutubeStreamExtractor.java

@@ -818,11 +818,7 @@ public AbstractStreamInfo.StreamType getStreamType() throws ParsingException {
 
             @Override
             public boolean isAd() throws ParsingException {
-                if(!li.select("span[class*=\"icon-not-available\"]").isEmpty()) {
-                    return true;
-                } else {
-                    return false;
-                }
+                return !li.select("span[class*=\"icon-not-available\"]").isEmpty();
             }
 
             @Override

services/youtube/YoutubeStreamInfoItemExtractor.java

@@ -164,11 +164,7 @@ public AbstractStreamInfo.StreamType getStreamType() {
 
     @Override
     public boolean isAd() throws ParsingException {
-        if(!item.select("span[class*=\"icon-not-available\"]").isEmpty()) {
-            return true;
-        } else {
-            return false;
-        }
+        return !item.select("span[class*=\"icon-not-available\"]").isEmpty();
     }
 
     private boolean isLiveStream(Element item) {