Revert "radv: set BIG_PAGE to improve performance on GFX10.3"

This reverts commit f4d861696dfb11dc2b6242a683a13238981f705f.

Turns out we cannot use BIG_PAGE with GTT and we can't tell
when a buffer is spilled to GTT.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6726>
2 files changed