pager: Remove unnecessary semicolons

flake8 reports:

  E703 statement ends with a semicolon

Change-Id: Ia63fc9efb04425e425c0f289272db76ff1ceeb34
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/254600
Tested-by: David Pursehouse <dpursehouse@collab.net>
Reviewed-by: Mike Frysinger <vapier@google.com>