CommentSender#setComments: Remove unused computation of paths

Change Ie57b89cea removed the usage of the paths, now we do not need to
compute them anymore.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: Ib868e7fc29bac3b51531cb675c2b5b4c208f2914
diff --git a/java/com/google/gerrit/server/mail/send/CommentSender.java b/java/com/google/gerrit/server/mail/send/CommentSender.java
index 57f8ab4..4f6a341 100644
--- a/java/com/google/gerrit/server/mail/send/CommentSender.java
+++ b/java/com/google/gerrit/server/mail/send/CommentSender.java
@@ -54,7 +54,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-import java.util.Set;
 import org.apache.james.mime4j.dom.field.FieldName;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.Repository;
@@ -127,13 +126,6 @@
 
   public void setComments(List<Comment> comments) {
     inlineComments = comments;
-
-    Set<String> paths = new HashSet<>();
-    for (Comment c : comments) {
-      if (!Patch.isMagic(c.key.filename)) {
-        paths.add(c.key.filename);
-      }
-    }
   }
 
   public void setPatchSetComment(String comment) {