anv: Remove 'inline' keywords

anv: Remove 'inline' keywords

Unless you have data, the compiler knows better than you whether a
function should be inlined.

No difference in the resulting binary with gcc-6.3.0 or clang-4.0.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>