Remove extraneous comma.

library/chronograf

@@ -1,6 +1,6 @@
 Maintainers: Jonathan A. Sternberg <[email protected]> (@jsternberg),
              Bucky Schwarz <[email protected]> (@hoorayimhelping),
-             Brandon Pfeifer <[email protected]> (@bnpfeife),
+             Brandon Pfeifer <[email protected]> (@bnpfeife)
 GitRepo: git://github.com/influxdata/influxdata-docker
 GitCommit: 81001d722f5092b67932604a896cf9bcf948cf9c