xfs: remove second xfs_quota.h inclusion in xfs_icache.c

xfs_quota.h was included twice.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

fs/xfs/xfs_icache.c

@@ -33,7 +33,6 @@
 #include "xfs_trace.h"
 #include "xfs_icache.h"
 #include "xfs_bmap_util.h"
-#include "xfs_quota.h"
 #include "xfs_dquot_item.h"
 #include "xfs_dquot.h"