freedreno: don't bother setting resource timestamps
freedreno: don't bother setting resource timestamps

Waiting on a bo being ready is handled in fd_bo_cpu_prep. No need to
keep separate timestamps around.

Signed-off-by: Ilia Mirkin <bcbbb7aa705ec3a5fc5824c01a845186c3d62fca@alum.mit.edu>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler