drm/i915: Remove the now obsolete intel_ring_get_request()
drm/i915: Remove the now obsolete intel_ring_get_request()

Much of the driver has now been converted to passing requests around instead of
rings/ringbufs/contexts. Thus the function for retreiving the request from a
ring (i.e. the OLR) is no longer used and can be removed.

For: VIZ-5115
Signed-off-by: John Harrison <7ea9067f4c04953b0edff26c073edc55d90d3800@Intel.com>
Reviewed-by: Tomas Elf <de978db68760decfa49b19fad99f6d5453248432@intel.com>
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

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