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.

checkstyle/checkstyle.xml

@@ -20,12 +20,6 @@
         <property name="fileNamePattern" value="module\-info\.java$"/>
     </module>
 
-    <!-- https://checkstyle.org/config_filters.html#SuppressionFilter -->
-    <module name="SuppressionFilter">
-        <property name="file" value="${config_loc}/suppressions.xml" />
-        <property name="optional" value="true"/>
-    </module>
-
     <!-- Checks that a package-info.java file exists for each package.     -->
     <!-- See https://checkstyle.org/config_javadoc.html#JavadocPackage -->
     <!--<module name="JavadocPackage"/>-->
@@ -68,6 +62,8 @@
 
     <module name="SuppressWarningsFilter" />
 
+    <module name="SuppressWithPlainTextCommentFilter"/>
+
     <module name="TreeWalker">
         <!-- Checks for Javadoc comments.                     -->
         <!-- See https://checkstyle.org/config_javadoc.html -->

checkstyle/suppressions.xml

@@ -1,15 +0,0 @@
-<?xml version="1.0"?>
-<!DOCTYPE suppressions PUBLIC
-  "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
-  "https://checkstyle.org/dtds/suppressions_1_2.dtd">
-<suppressions>
-  <!-- Use @SuppressWarnings("...") if it is possible, only use this file if it is not -->
-
-  <suppress checks="LineLength"
-    files="BandcampExtractorHelper.java"
-    lines="54"/>
-
-  <suppress checks="LineLength"
-    files="ItagItem.java"
-    lines="19"/>
-</suppressions>

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 = {
             /////////////////////////////////////////////////////