docs(tools): Fix clang-tidy documentation about RISC-V being supported

Author: dobairoland

docs/en/api-guides/tools/idf-clang-tidy.rst

@@ -12,12 +12,6 @@ The IDF Clang Tidy is a tool that uses `clang-tidy <https://clang.llvm.org/extra
 
    Only clang based toolchain is currently supported. It has to be activated by setting ``IDF_TOOLCHAIN=clang`` in the environment or in CMake cache before configuring the project.
 
-.. only:: CONFIG_IDF_TARGET_ARCH_RISCV
-
-   .. warning::
-
-      This tool does not support RISC-V based chips yet. For now, we do not provide clang based toolchain for RISC-V.
-
 Prerequisites
 =============
 

docs/zh_CN/api-guides/tools/idf-clang-tidy.rst

@@ -12,12 +12,6 @@ IDF clang-tidy 是使用 `clang-tidy <https://clang.llvm.org/extra/clang-tidy/>`
 
    目前仅支持基于 clang 的工具链。在配置项目前，必须在环境变量或 CMake 缓存中设置 ``IDF_TOOLCHAIN=clang`` 进行激活。
 
-.. only:: CONFIG_IDF_TARGET_ARCH_RISCV
-
-   .. warning::
-
-      当前工具尚不支持基于 RISC-V 的芯片。目前，乐鑫尚未针对 RISC-V 提供基于 clang 的工具链。
-
 准备工作
 =============