Remove checks which are always true

Author: TobiGr

extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeAccountExtractor.java

@@ -163,7 +163,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
         }
 
         final Response response = downloader.get(accountUrl);
-        if (response != null && response.responseBody() != null) {
+        if (response != null) {
             setInitialData(response.responseBody());
         } else {
             throw new ExtractionException("Unable to extract PeerTube account data");

extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeChannelExtractor.java

@@ -136,7 +136,7 @@ public InfoItemsPage<StreamInfoItem> getPage(final Page page) throws IOException
     public void onFetchPage(final Downloader downloader) throws IOException, ExtractionException {
         final Response response = downloader.get(
                 baseUrl + PeertubeChannelLinkHandlerFactory.API_ENDPOINT + getId());
-        if (response != null && response.responseBody() != null) {
+        if (response != null ) {
             setInitialData(response.responseBody());
         } else {
             throw new ExtractionException("Unable to extract PeerTube channel data");

extractor/src/main/java/org/schabi/newpipe/extractor/services/peertube/extractors/PeertubeStreamExtractor.java

@@ -364,7 +364,7 @@ public String getErrorMessage() {
     @Override
     public void onFetchPage(final Downloader downloader) throws IOException, ExtractionException {
         final Response response = downloader.get(baseUrl + PeertubeStreamLinkHandlerFactory.VIDEO_API_ENDPOINT + getId());
-        if (response != null && response.responseBody() != null) {
+        if (response != null) {
             setInitialData(response.responseBody());
         } else {
             throw new ExtractionException("Unable to extract PeerTube channel data");