Update LLVM's release branch commit

cmake/wasi-sdk-toolchain.cmake

@@ -214,16 +214,6 @@ endif()
 list(TRANSFORM tools PREPEND --target= OUTPUT_VARIABLE build_targets)
 list(TRANSFORM tools PREPEND --target=install- OUTPUT_VARIABLE install_targets)
 
-set(patches
-  ${CMAKE_SOURCE_DIR}/src/llvm-pr-206831.patch
-  ${CMAKE_SOURCE_DIR}/src/llvm-pr-208263.patch
-  ${CMAKE_SOURCE_DIR}/src/llvm-pr-208332.patch
-  ${CMAKE_SOURCE_DIR}/src/llvm-pr-208597.patch
-)
-list(JOIN patches " " patches_apply)
-list(REVERSE patches)
-list(JOIN patches " " patches_rev)
-
 ExternalProject_Add(llvm-build
   SOURCE_DIR "${llvm_proj_dir}/llvm"
   CMAKE_ARGS
@@ -265,9 +255,6 @@ ExternalProject_Add(llvm-build
   USES_TERMINAL_CONFIGURE ON
   USES_TERMINAL_BUILD ON
   USES_TERMINAL_INSTALL ON
-  PATCH_COMMAND
-    ${CMAKE_COMMAND} -E chdir .. bash -c
-      "git apply ${patches_apply} || git apply ${patches_rev} -R --check"
 )
 
 add_custom_target(build ALL DEPENDS llvm-build)