Remove Kconfig modification step for NuttX in spec test workflow

Author: no1wudi

.github/workflows/spec_test_on_nuttx.yml

@@ -183,28 +183,6 @@ jobs:
         if: contains(matrix.wamr_test_option.mode, 'aot')
         run: cp -r core/deps/llvm apps/interpreters/wamr/wamr/core/deps/llvm
 
-      # Inject the config option to NuttX
-      # TODO: Merge this into NuttX once GC is generally available
-      #
-      # Note: the version of nuttx-apps we use for xtensa does have
-      # an equivalent. (the default of INTERPRETERS_WAMR_TAIL_CALL is
-      # different though.)
-      - name: Modify Kconfig
-        if: matrix.target_config.target != 'xtensa'
-        run: |
-          echo "\n" >> apps/interpreters/wamr/Kconfig
-          echo "config INTERPRETERS_WAMR_GC" >> apps/interpreters/wamr/Kconfig
-          echo "\tbool \"Enable GC\"" >> apps/interpreters/wamr/Kconfig
-          echo "\tdefault n" >> apps/interpreters/wamr/Kconfig
-          echo "\n" >> apps/interpreters/wamr/Kconfig
-          echo "config INTERPRETERS_WAMR_AOT_STACK_FRAME" >> apps/interpreters/wamr/Kconfig
-          echo "\tbool \"Enable AOT stack frame\"" >> apps/interpreters/wamr/Kconfig
-          echo "\tdefault n" >> apps/interpreters/wamr/Kconfig
-          echo "\n" >> apps/interpreters/wamr/Kconfig
-          echo "config INTERPRETERS_WAMR_TAIL_CALL" >> apps/interpreters/wamr/Kconfig
-          echo "\tbool \"Enable Tail Call\"" >> apps/interpreters/wamr/Kconfig
-          echo "\tdefault y" >> apps/interpreters/wamr/Kconfig
-
       - name: Build wamrc
         if: contains(matrix.wamr_test_option.mode, 'aot')
         working-directory: apps/interpreters/wamr/wamr/wamr-compiler