Vim: coc: Switch to clangd + syntax highlight

.vim/coc-settings.json

@@ -1,16 +1,7 @@
 {
     "diagnostic.checkCurrentLine": true,
     "diagnostic.joinMessageLines": true,
-    "languageserver": {
+    "clangd": {
-        "ccls": {
+        "semanticHighlighting": true
-            "command": "ccls",
-            "filetypes": ["c", "cpp", "objc", "objcpp"],
-            "rootPatterns": [".ccls", "compile_commands.json", ".vim/", ".git/", ".hg/"],
-            "initializationOptions": {
-                "cache": {
-                    "directory": "/tmp/ccls"
-                }
-            }
-        }
     }
 }

.vim/vimrc

@@ -30,6 +30,7 @@ Plugin 'VundleVim/Vundle.vim'
 "Plugin 'lyuts/vim-rtags'
 "Plugin 'JBakamovic/cxxd-vim'
 Plugin 'neoclide/coc.nvim'
+Plugin 'jackguo380/vim-lsp-cxx-highlight'
 " }}}
 
 " Mappings {{{