IB/qib: Fix repeated "in" within comments

Delete the redundant word 'in'.

Link: https://lore.kernel.org/r/20220724074407.18552-1-wangjianli@cdjrlc.comSigned-off-by: Nwangjianli <wangjianli@cdjrlc.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/qib/qib_iba7220.c

@@ -58,7 +58,7 @@ static void qib_set_ib_7220_lstate(struct qib_pportdata *, u16, u16);
 /*
  * This file contains almost all the chip-specific register information and
  * access functions for the QLogic QLogic_IB 7220 PCI-Express chip, with the
- * exception of SerDes support, which in in qib_sd7220.c.
+ * exception of SerDes support, which in qib_sd7220.c.
  */
 
 /* Below uses machine-generated qib_chipnum_regs.h file */