media: ivtv: no need to initialise statics to 0

Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initializations.

Link: https://lore.kernel.org/linux-media/20211212070918.289617-1-wangborong@cdjrlc.comSigned-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/pci/ivtv/ivtvfb.c

@@ -42,7 +42,7 @@
 
 /* card parameters */
 static int ivtvfb_card_id = -1;
-static int ivtvfb_debug = 0;
+static int ivtvfb_debug;
 static bool ivtvfb_force_pat = IS_ENABLED(CONFIG_VIDEO_FB_IVTV_FORCE_PAT);
 static bool osd_laced;
 static int osd_depth;