drm_print: Remove deprecated DRM_DEBUG_KMS_RATELIMITED()

There are no current users of DRM_DEBUG_KMS_RATELIMITED()
so remove it.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230117180417.21066-2-nirmoy.das@intel.comSigned-off-by: Christian König <christian.koenig@amd.com>

include/drm/drm_print.h

@@ -605,9 +605,6 @@ void __drm_err(const char *format, ...);
 #define drm_dbg_kms_ratelimited(drm, fmt, ...) \
 	__DRM_DEFINE_DBG_RATELIMITED(KMS, drm, fmt, ## __VA_ARGS__)
 
-/* NOTE: this is deprecated in favor of drm_dbg_kms_ratelimited(NULL, ...). */
-#define DRM_DEBUG_KMS_RATELIMITED(fmt, ...) drm_dbg_kms_ratelimited(NULL, fmt, ## __VA_ARGS__)
-
 /*
  * struct drm_device based WARNs
  *