drm/i915: rip out now unused is_foo tracking from crtc code
drm/i915: rip out now unused is_foo tracking from crtc code

More ugly stuff gone for good! The big special case left now is
lvds (which is indeed really special).

Reviewed-by: Jani Nikula <ba783f3beccaedfda693f41a15407d612a629408@intel.com>
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs