Removed more unused methods

extractor/src/main/java/org/schabi/newpipe/extractor/NewPipe.java

@@ -93,16 +93,6 @@ public final class NewPipe {
         throw new ExtractionException("No service can handle the url = \"" + url + "\"");
     }
 
-    public static String getNameOfService(final int id) {
-        try {
-            return getService(id).getServiceInfo().getName();
-        } catch (final Exception e) {
-            System.err.println("Service id not known");
-            e.printStackTrace();
-            return "<unknown>";
-        }
-    }
-
     /*//////////////////////////////////////////////////////////////////////////
     // Localization
     //////////////////////////////////////////////////////////////////////////*/

extractor/src/test/java/org/schabi/newpipe/extractor/NewPipeTest.java

@@ -43,9 +43,4 @@ public class NewPipeTest {
         assertEquals(getServiceByUrl("https://soundcloud.com/pegboardnerds"), SoundCloud);
         assertEquals(getServiceByUrl("https://www.google.com/url?sa=t&url=https%3A%2F%2Fsoundcloud.com%2Fciaoproduction&rct=j&q=&esrc=s&source=web&cd="), SoundCloud);
     }
-
-    @Test
-    public void getServiceNameWithId() throws Exception {
-        assertEquals(NewPipe.getNameOfService(YouTube.getServiceId()), YouTube.getServiceInfo().getName());
-    }
 }