breaking: Remove setup script and use chezmoi

tools/nvim/lsp/clangd.lua

@@ -1,30 +0,0 @@
--- C/C++
--- Clangd requires compile_commands.json to work and the easiest way to generate it is to use CMake.
--- How to use clangd C/C++ LSP in any project: https://gist.github.com/Strus/042a92a00070a943053006bf46912ae9
-
-return {
-  cmd = {
-    "clangd",
-    "--clang-tidy",
-    "--header-insertion=iwyu",
-    "--completion-style=detailed",
-    "--function-arg-placeholders",
-    "--fallback-style=none",
-  },
-  filetypes = { "c", "cpp" },
-  root_markers = {
-    ".clangd",
-    ".clang-format",
-    "compile_commands.json",
-    "compile_flags.txt",
-    ".git",
-  },
-  capabilities = {
-    textDocument = {
-      completion = {
-        editsNearCursor = true,
-      },
-    },
-    offsetEncoding = { "utf-8", "utf-16" },
-  },
-}