staging: rtl8188eu: remove useless comment

Remove block comment about function HwSuspendModeEnable92Cu.
The comment contains no useful information and there is even
no HwSuspendModeEnable92Cu function in the driver code.
'git grep -n HwSuspendModeEnable92Cu drivers/staging/rtl8188eu'
returns nothing.
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210619175055.5122-1-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/usb_halinit.c

@@ -601,22 +601,6 @@ static void _InitAntenna_Selection(struct adapter *Adapter)
 		haldata->CurAntenna = Antenna_B;
 }
 
-/*-----------------------------------------------------------------------------
- * Function:	HwSuspendModeEnable92Cu()
- *
- * Overview:	HW suspend mode switch.
- *
- * Input:		NONE
- *
- * Output:	NONE
- *
- * Return:	NONE
- *
- * Revised History:
- *	When		Who		Remark
- *	08/23/2010	MHC		HW suspend mode switch test..
- *---------------------------------------------------------------------------
- */
 enum rt_rf_power_state RfOnOffDetect(struct adapter *adapt)
 {
 	u8 val8;