[peertube] constant name for service

Author: yausername

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

@@ -48,7 +48,7 @@ public abstract class StreamingService {
      * This class holds meta information about the service implementation.
      */
     public static class ServiceInfo {
-        private String name;
+        private final String name;
 
         private final List<MediaCapability> mediaCapabilities;
 
@@ -66,10 +66,6 @@ public String getName() {
             return name;
         }
 
-        public void setName(String name) {
-            this.name = name;
-        }
-
         public List<MediaCapability> getMediaCapabilities() {
             return mediaCapabilities;
         }

extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/PeertubeService.java

@@ -46,7 +46,7 @@ public PeertubeService(int id) {
     }
 
     public PeertubeService(int id, PeertubeInstance instance) {
-        super(id, instance.getName(), asList(VIDEO, COMMENTS));
+        super(id, "PeerTube", asList(VIDEO, COMMENTS));
         this.instance  = instance;
     }
 
@@ -124,7 +124,6 @@ public String getBaseUrl() {
 
     public void setInstance(PeertubeInstance instance) {
         this.instance = instance;
-        this.getServiceInfo().setName(instance.getName());
     }
 
     @Override