Nvim: remove coq and other config files

.config/nvim/after/plugin/nvim-cmp.rc.lua

@@ -0,0 +1,58 @@
+-- Setup nvim-cmp.
+local cmp = require'cmp'
+
+cmp.setup({
+    snippet = {
+        expand = function(args)
+        -- For `vsnip` user.
+        -- vim.fn["vsnip#anonymous"](args.body)
+
+        -- For `luasnip` user.
+        -- require('luasnip').lsp_expand(args.body)
+
+        -- For `ultisnips` user.
+        vim.fn["UltiSnips#Anon"](args.body)
+        end,
+    },
+    mapping = cmp.mapping.preset.insert({
+        ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
+        ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
+        ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
+        ['<tab>'] = cmp.mapping.confirm({ select = true }),
+        ['<C-e>'] = cmp.mapping({
+          i = cmp.mapping.abort(),
+          c = cmp.mapping.close(),
+        }),
+    }),
+    sources = cmp.config.sources({
+        { name = 'nvim_lsp' },
+
+        { name = 'path' },
+
+        { name = 'ultisnips' },
+
+        { name = 'calc' },
+
+        { name = 'cmp_git' },
+    }, {
+        { name = 'buffer', keyword_length = 5, max_item_count = 10, priority = -5 },
+    }),
+    --experimental = {
+    --    native_menu = false
+    --}
+})
+
+cmp.setup.cmdline('/', {
+    sources = {
+        { name = 'buffer' }
+    }
+})
+
+cmp.setup.cmdline(':', {
+    sources = {
+      { name = 'cmdline' }
+    },
+    mapping = cmp.mapping.preset.cmdline()
+})
+
+require("cmp_git").setup()