Update handler.py not to skip R 3.3.x

We have a patch now, so we can build these
R versions.

handler.py

@@ -146,12 +146,6 @@ def queue_builds(event, context):
     job_ids = []
     for version in event['versions_to_build']:
         for platform in event['supported_platforms']:
-            # In R 3.3.0, 3.3.1, and 3.3.2, the configure script check for the
-            # zlib version fails to handle versions longer than 5 characters.
-            # Skip builds affected by this bug. Most newer distros will be affected.
-            # https://github.com/rstudio/r-builds/issues/76
-            if version in ['3.3.0', '3.3.1', '3.3.2'] and platform not in ['centos-7']:
-                continue
             job_ids.append(_submit_job(version, platform))
     event['jobIds'] = job_ids
     return event