Remove unthrown exception

Author: Isira-Seneviratne

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java

@@ -171,7 +171,7 @@ public String getName() throws ParsingException {
 
     @Nullable
     @Override
-    public String getTextualUploadDate() throws ParsingException {
+    public String getTextualUploadDate() {
         String timestamp = playerMicroFormatRenderer.getString("uploadDate", "");
         if (timestamp.isEmpty()) {
             timestamp = playerMicroFormatRenderer.getString("publishDate", "");

extractor/src/main/java/org/schabi/newpipe/extractor/stream/StreamExtractor.java

@@ -63,11 +63,10 @@ public StreamExtractor(final StreamingService service, final LinkHandler linkHan
      * <p>If the stream is a live stream, {@code null} should be returned.</p>
      *
      * @return The original textual date provided by the service, or {@code null}.
-     * @throws ParsingException if there is an error in the extraction
      * @see #getUploadDate()
      */
     @Nullable
-    public String getTextualUploadDate() throws ParsingException {
+    public String getTextualUploadDate() {
         return null;
     }