Remove usage of --xla_gpu_enable_triton_hopper in autotuner
Remove usage of --xla_gpu_enable_triton_hopper in autotuner

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/13068 from dimvar:dv-create-blackwell-cc cc1adebc95166b2d3979cc01de954a1895515ad4
