drm/i915: drop unused function ptr and comments.

There was some excess comments and an unused vtbl ptr.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/573a9366d33e2b7bd7b8215af614f03f3e562926.1632869550.git.jani.nikula@intel.com
1 file changed