Revert "[AMD] Fix RotaryEmbedding crash on AMD/ROCm (regression from #17934)" (#18922)

python/sglang/srt/layers/rotary_embedding.py

@@ -389,19 +389,6 @@ class RotaryEmbedding(MultiPlatformOp):
             )
         return query, key
 
-    def forward_hip(self, *args, **kwargs):
-        """HIP/ROCm implementation.
-
-        The JIT kernels (sglang.jit_kernel.pos_enc) used in forward_cuda's
-        fallback path depend on tvm_ffi which invokes nvidia-smi to detect
-        CUDA compute capability. This fails on AMD GPUs, so we use the
-        pure-PyTorch native implementation instead.
-
-        Uses *args/**kwargs because subclasses (MRotaryEmbedding, etc.)
-        have different forward_native() signatures.
-        """
-        return self.forward_native(*args, **kwargs)
-
     def extra_repr(self) -> str:
         s = f"head_size={self.head_size}, rotary_dim={self.rotary_dim}"
         s += f", max_position_embeddings={self.max_position_embeddings}"