intel/ice:fix repeated words in comments

Delete the redundant word 'a'.
Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_flex_pipe.c

@@ -2639,7 +2639,7 @@ ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg)
  *
  * This function will either add or move a ptype to a particular PTG depending
  * on if the ptype is already part of another group. Note that using a
- * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
+ * destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the
  * default PTG.
  */
 static int