Remove an incomplete sentence from disable remote polling help

Author: MarkEWaite

src/main/resources/hudson/plugins/git/extensions/impl/DisableRemotePoll/help.html

@@ -1,6 +1,5 @@
 <div>
        Git plugin uses git ls-remote polling mechanism by default when configured with a single branch (no wildcards!).
-       This compare the latest built commit SHA with the remote branch without cloning a local copy of the repo.<br><br>
-       If you don't want to / can't use this.<br><br>
+       This compares the most recently built commit SHA with the remote branch without cloning a local copy of the repo.<br><br>
        If this option is selected, polling will require a workspace and might trigger unwanted builds (see <a href="https://issues.jenkins.io/browse/JENKINS-10131" target="_blank" rel="noopener noreferrer">JENKINS-10131</a>).
 </div>