cam: Allow cameras with more than one stream

The libcamera API and the cam tool are now ready to make use of cameras
with more than one stream. Remove the limitation in the tool which
disallows cameras that provide more than one stream.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/cam/main.cpp

@@ -322,14 +322,6 @@ int main(int argc, char **argv)
 			goto out;
 		}
 
-		const std::set<Stream *> &streams = camera->streams();
-		if (streams.size() != 1) {
-			std::cout << "Camera has " << streams.size()
-				  << " streams, only 1 is supported"
-				  << std::endl;
-			goto out;
-		}
-
 		if (camera->acquire()) {
 			std::cout << "Failed to acquire camera" << std::endl;
 			goto out;