Remove NVPTX and AMDGPU from LLVM targets in llvm_configure

When llvm/llvm-project#187213 lands, removing these lines should no longer break the build

PiperOrigin-RevId: 888142864

Author: j2kun

MODULE.bazel

@@ -67,14 +67,6 @@ use_repo(
 # The subset of LLVM backend targets that should be compiled
 _LLVM_TARGETS = [
     "X86",
-    # The bazel dependency graph for mlir-opt fails to load (at the analysis
-    # step) without the NVPTX and AMDGPU targets in this list, because, e.g.,
-    # mlir/test:TestGPU depends on the //llvm:NVPTXCodeGen target, which is not
-    # defined unless this is included. @j2kun asked the LLVM maintiners for
-    # tips on how to fix this, see
-    # https://github.com/llvm/llvm-project/issues/63135
-    "NVPTX",
-    "AMDGPU",
     # Needed for Apple M1 targets, see
     # https://github.com/j2kun/mlir-tutorial/issues/11
     "AArch64",