Bump stablehlo to `f7f8e4e35` and drop LLVM local reverts #13162

Job	Run time
setup / setup	11s
Build Packages / Linux Release (x86_64)	14m 33s
Test AMD MI300 / test_mi300	1m 34s
Regression Test / test_regression_suite :: cpu_llvm_task	9m 47s
Regression Test / test_models :: cpu_llvm_task	4m 29s
Regression Test / test_regression_suite :: amdgpu_rocm_mi250_gfx90a	10m 47s
Regression Test / test_models :: amdgpu_rocm_mi250_gfx90a	7m 42s
Regression Test / test_regression_suite :: amdgpu_rocm_mi300_gfx942	8m 10s
Regression Test / test_models :: amdgpu_rocm_mi300_gfx942	3m 11s
Test AMD MI250 / test_mi250	4m 54s
Test AMD W7900 / test_w7900	1m 35s
Regression Test / test_models :: amdgpu_vulkan	1m 51s
Test Android / android_arm64	5m 41s
Test ONNX / test_onnx :: cpu_llvm_sync	3m 17s
Test RISC-V 64 / riscv64	5m 50s
Test ONNX / test_onnx :: amdgpu_rocm_rdna3	7m 6s
Test ONNX / test_onnx :: amdgpu_vulkan	1m 26s
Unit Test / Linux (x86_64)	2m 31s
Test TensorFlow / Linux (x86_64)	2m 8s
	1h 36m 43s

Provide feedback