media: gspca: drop unexpected word 'is' in the comments

there is an unexpected word 'is' in the comments that need to be dropped

file - drivers/media/usb/gspca/spca501.c
line - 491

* This is is for the 3com HomeConnect Lite which is spca501a based.

changed to:

* This is for the 3com HomeConnect Lite which is spca501a based.
Signed-off-by: NJiang Jian <jiangjian@cdjrlc.com>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/usb/gspca/spca501.c

@@ -488,7 +488,7 @@ static const __u16 spca501_init_data[][3] = {
 
 /* Data for video camera init before capture.
  * Capture and decoding by Colin Peart.
- * This is is for the 3com HomeConnect Lite which is spca501a based.
+ * This is for the 3com HomeConnect Lite which is spca501a based.
  */
 static const __u16 spca501_3com_open_data[][3] = {
 	/* bmRequest,value,index */