try without cmp

remove the auto attach thing. not needed

nvim/.config/nvim/init.lua

@@ -48,7 +48,8 @@ vim.cmd [=[
     nnoremap ,rl :checktime<CR>
     nnoremap ,m :wa<CR>:make<CR>
     nnoremap <silent> <Esc> :noh<CR><Esc>
-    inoremap <c-k> <c-x>
+    inoremap <c-o> <c-x><c-o>
+    inoremap <c-f> <c-x><c-f>
 
     nnoremap ,cD :call setqflist(filter(getqflist(), 'v:val != getqflist()[getqflist({"idx": 0}).idx - 1]'))<CR>
 
@@ -594,6 +595,9 @@ require'lazy'.setup{ --{{{1
                 }
             }
             require'mason-lspconfig'.setup()
+            vim.opt.completeopt = { 'menu', 'popup', 'preview', 'fuzzy' }
+
+
             vim.lsp.config.zls = {
                 before_init = function(_, _)
                     vim.g.zig_fmt_autosave = false -- may not be needed anymore?
@@ -793,37 +797,6 @@ require'lazy'.setup{ --{{{1
             ]]
         end
     },
-    { 'hrsh7th/nvim-cmp', --{{{2
-        dependencies = {
-            'hrsh7th/cmp-nvim-lsp',
-            'hrsh7th/cmp-path',
-            'dcampos/nvim-snippy',
-            'dcampos/cmp-snippy',
-        },
-        config = function()
-            local cmp = require'cmp'
-            cmp.setup{
-                snippet = {
-                    expand = function(args)
-                        require'snippy'.expand_snippet(args.body)
-                    end,
-                },
-                mapping = {
-                    ['<C-y>'] = cmp.mapping.confirm{ select = true },
-                    ['<C-n>'] = cmp.mapping.select_next_item(),
-                    ['<C-p>'] = cmp.mapping.select_prev_item(),
-                },
-                sources = cmp.config.sources(
-                    {
-                        { name = 'snippy',   priority = 100000000000000000000 },
-                        { name = 'nvim_lsp', priority = 1000000000},
-                        { name = 'path',     priority = 1},
-                    }
-                ),
-                preselect = cmp.PreselectMode.None,
-            }
-        end,
-    },
     { 'nvim-telescope/telescope.nvim', --{{{2
         tag = 'v0.2.2',
         dependencies = {