split_cl: Fix Emit-related warnings

Encountered while using `git cl split`.

Bug: None
Change-Id: I8ecaf44a64a5917f50176b8d88e367731a6dee35
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/6309324
Commit-Queue: Josip Sokcevic <sokcevic@chromium.org>
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>
Reviewed-by: Devon Loehr <dloehr@google.com>
Auto-Submit: Peter Wen <wnwen@chromium.org>

split_cl.py

@@ -346,7 +346,6 @@ def PrintClInfo(cl_index, num_cls, cl_description, file_paths, user_description,
     Emit('Topic: {}'.format(topic))
     Emit('\n' + indented_description + '\n')
     Emit('\n'.join(file_paths))
-    Emit()
 
 
 def LoadDescription(description_file, dry_run):
@@ -370,7 +369,7 @@ def PrintSummary(cl_infos, refactor_branch):
            to the files and directories assigned to them.
     """
     for info in cl_infos:
-        Emit(f'Reviewers: {info.reviewers}, files: {len(info.files)}, ',
+        Emit(f'Reviewers: {info.reviewers}, files: {len(info.files)}, '
              f'description: {info.description}')
 
     num_cls = len(cl_infos)