Update clangd_cdt_support.md

Author: kolipakakondal

docs/clangd_cdt_support.md

@@ -1,24 +1,13 @@
-# Clang and Clangd Configuration in Espressif-IDE
+# Clangd Configuration in Espressif-IDE
 
-Follow the below instructions to configure Clang and Clangd in Espressif-IDE.
+Follow the below instructions to configure Clangd in Espressif-IDE.
 
 ## Prerequisites
 1. Install the latest version of [Espressif-IDE](https://github.com/espressif/idf-eclipse-plugin/blob/master/docs/Espressif-IDE.md#downloads) 
 2. Install the latest version of Eclipse CDT-LSP and it's dependencies using [Update Site](https://dl.espressif.com/dl/idf-eclipse-plugin/updates/latest/)
 
  	![](images/clangd/cdtlsp_updatesite.png)
 
-## Clang Toolchain Configuration
-1. Go to `Window` > `Preferences` > `C/C++` > `Core Build Toolchains` 
-2. Click `Add...` and choose `clang` and the toolchain settings similar to the below image.
-
- 	![](images/clangd/clang_compiler_config.png)
-
-3. Go to `Window` > `Preferences` > `C/C++` > `CMake`  
-4. Click `Add...` and provide CMake Toolchain File for the specific target and select clang compiler from the list as shown below.
-
- 	![](images/clangd/new_cmake_clang_toolchain_config.png)
-
 ## Clangd Configuration
 To enable clangd in the C/C++ editor, follow the below steps.
 
@@ -38,15 +27,6 @@ As we are going to use clangd as the indexer and for editor features, we need to
 
    ![](images/clangd/cdt_indexer_disable.png)
 
-## Build with Clang
-1. Click on `Edit` configuration for the project
-2. Go to `Build Settings` and Choose clang toolchain from the list.
-
- 	![](images/clangd/build_settings_clang.png)
-
-3. Click on `Ok` and close.
-4. Build the project using the new configuration. However, if you want to build using GCC,there is no need to make any changes here.
-
 ## Clangd Editor
 1. Open any C/C++ file in the project.
 2. You should see the Clangd features in the editor.