docs(cpp): Move offset tip to list of what the pack does (#1150)

docs(cpp): Move tip to list of what the pack does

lua/astrocommunity/pack/cpp/README.md

@@ -7,14 +7,4 @@ This plugin pack does the following:
 - Adds `clang-format` formatter
 - Adds [clangd_extensions.nvim](https://github.com/p00f/clangd_extensions.nvim) for language specific tooling
 - Adds [cmake-tools.nvim](https://github.com/Civitasv/cmake-tools.nvim) for building and debugging
-
-tips: the offset_encondings of clangd will conflict with null-ls, so add the following file in your user_config.
-
-```lua
--- <user_config_path>/lsp/config/clangd.lua
-return {
-  capabilities = {
-     offsetEncoding = "utf-8",
-  },
-}
-```
+- Sets up `offset_encondings` for clangd to avoid conflicts with null-ls