linux-pipewire: Fix camera framerate listing

The SPA format (pixelformat) was compared with a libobs video format
value.

Also removes the SPA format support check since at this point it already
has been done while listing formats.

Author: tytan652

plugins/linux-pipewire/camera-portal.c

@@ -649,7 +649,6 @@ static bool framerate_list(struct camera_device *dev, uint32_t pixelformat, cons
 	spa_list_for_each(p, &dev->param_list, link)
 	{
 		const struct spa_fraction *framerate_values;
-		struct obs_pw_video_format obs_pw_video_format;
 		enum spa_choice_type choice;
 		const struct spa_pod_prop *prop;
 		struct spa_rectangle this_resolution;
@@ -674,10 +673,7 @@ static bool framerate_list(struct camera_device *dev, uint32_t pixelformat, cons
 			format = SPA_VIDEO_FORMAT_ENCODED;
 		}
 
-		if (!obs_pw_video_format_from_spa_format(format, &obs_pw_video_format))
-			continue;
-
-		if (obs_pw_video_format.video_format != pixelformat)
+		if (format != pixelformat)
 			continue;
 
 		if (spa_pod_parse_object(p->param, SPA_TYPE_OBJECT_Format, NULL, SPA_FORMAT_VIDEO_size,