GetArchive: Remove unneeded usages of final

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I61fbff1ddc549fabcf682ed889ab3276b25d2061
diff --git a/java/com/google/gerrit/server/restapi/change/GetArchive.java b/java/com/google/gerrit/server/restapi/change/GetArchive.java
index 33440b0..7ab1432 100644
--- a/java/com/google/gerrit/server/restapi/change/GetArchive.java
+++ b/java/com/google/gerrit/server/restapi/change/GetArchive.java
@@ -58,7 +58,7 @@
     if (Strings.isNullOrEmpty(format)) {
       throw new BadRequestException("format is not specified");
     }
-    final ArchiveFormatInternal f = allowedFormats.extensions.get("." + format);
+    ArchiveFormatInternal f = allowedFormats.extensions.get("." + format);
     if (f == null) {
       throw new BadRequestException("unknown archive format");
     }
@@ -66,9 +66,9 @@
       throw new MethodNotAllowedException("zip format is disabled");
     }
     boolean close = true;
-    final Repository repo = repoManager.openRepository(rsrc.getProject());
+    Repository repo = repoManager.openRepository(rsrc.getProject());
     try {
-      final RevCommit commit;
+      RevCommit commit;
       String name;
       try (RevWalk rw = new RevWalk(repo)) {
         commit = rw.parseCommit(rsrc.getPatchSet().commitId());