Delete CoC settings from non-CoC branch.

nvim/.config/nvim/coc-settings.json

@@ -1,19 +0,0 @@
-{
-    "languageserver": {
-        "clangd": {
-            "command": "clangd",
-            "filetypes": ["c", "cpp"],
-            "rootPatterns": ["compile_flags.txt", "compile_commands.json" ]
-        },
-        "haskell": {
-            "command": "hie-wrapper",
-            "filetypes": ["haskell"],
-            "rootPatterns": [".stack.yaml", "cabal.config", "package.yaml"]
-	},
-        "scry": {
-            "command": "scry",
-            "filetypes": ["crystal"],
-            "rootPatterns": ["shard.yml"]
-        }
-    }
-}