HDMIExtMode: Remove duplicate definition of DRM_MODE_CONNECTOR_MIPI

This is already defined in drm_mode.h and xf86drmMode.h.

Bug: 19118845
Change-Id: I5186a6d7c9a869f607e67f1f9db482b0ffaa6271
Signed-off-by: Sean Paul <seanpaul@chromium.org>
1 file changed