drm/i915: remove i915_disable_vga_mem declaration
drm/i915: remove i915_disable_vga_mem declaration

It was supposed to have been killed on the same commit that killed the
function, e1264ebe9ff48e1b3e1dd11805eec9f5b143ab7c, but I guess the
intel_drv.h reorganization accidentally brought it back.

Signed-off-by: Paulo Zanoni <cc0e04a2103c45cd195651d976f79813d0f66bdf@intel.com>
Reviewed-by: Damien Lespiau <64bd3cb94f359c1a3ce68dae5e26b40578526277@intel.com>
Signed-off-by: Daniel Vetter <c1b6782c4af8f0673da8923a0702a1832e5940f4@ffwll.ch>

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