drm/fourcc: Remove struct drm_format_buf_name

The structure is unused. Remove it.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Sakari Ailus <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

include/drm/drm_fourcc.h

···
 };
 
 /**
- * struct drm_format_name_buf - name of a DRM format
- * @str: string buffer containing the format name
- */
-struct drm_format_name_buf {
-	char str[32];
-};
-
-/**
  * drm_format_info_is_yuv_packed - check that the format info matches a YUV
  * format with data laid in a single plane
  * @info: format info