Revert "drm/i915: Add soft-pinning API for execbuffer"

This reverts commit 510567234180d7d65d2db9f7bd8424cabef13d3c.

I somehow managed to combine a patch from Tomas Elf with a totally
unrelated commit message from Chris Wilson. Let's revert this and
reapply properly.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
1 file changed