Remove Checkstyle suppressions file and fix Checkstyle issues introduced in 24e8399 and 8c1041d

The Checkstyle suppressions file is now replaced by // CHECKSTYLE:OFF and // CHECKSTYLE:ON comments.

extractor/src/main/java/org/schabi/newpipe/extractor/services/bandcamp/extractors/BandcampExtractorHelper.java

@@ -54,7 +54,8 @@ public final class BandcampExtractorHelper {
 
     /**
      * Fetch artist details from mobile endpoint.
-     * <a href=https://notabug.org/fynngodau/bandcampDirect/wiki/rewindBandcamp+%E2%80%93+Fetching+artist+details>
+     * <a href="https://notabug.org/fynngodau/bandcampDirect/wiki/
+     * rewindBandcamp+%E2%80%93+Fetching+artist+details">
      * More technical info.</a>
      */
     public static JsonObject getArtistDetails(final String id) throws ParsingException {

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/ItagItem.java

@@ -18,7 +18,7 @@ import javax.annotation.Nonnull;
 public class ItagItem {
     /**
      * List can be found here
-     * https://github.com/ytdl-org/youtube-dl/blob/9fc5eafb8e384453a49f7cfe73147be491f0b19d/youtube_dl/extractor/youtube.py#L1071
+     * https://github.com/ytdl-org/youtube-dl/blob/9fc5eaf/youtube_dl/extractor/youtube.py#L1071
      */
     private static final ItagItem[] ITAG_LIST = {
             /////////////////////////////////////////////////////