radv: remove useless MAYBE_UNUSED in CmdBeginRenderPass()

Trivial.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_cmd_buffer.c

@@ -3420,7 +3420,7 @@ void radv_CmdBeginRenderPass(
 
 	MAYBE_UNUSED unsigned cdw_max = radeon_check_space(cmd_buffer->device->ws,
 							   cmd_buffer->cs, 2048);
-	MAYBE_UNUSED VkResult result;
+	VkResult result;
 
 	cmd_buffer->state.framebuffer = framebuffer;
 	cmd_buffer->state.pass = pass;