nixpkgs/neovim: remove redundant mappings

0.11.0 adds [q ]q mappings by default

.config/nixpkgs/neovim/mappings.lua

@@ -33,11 +33,6 @@ vim.keymap.set('n', '<Leader>fc', function() MiniFiles.open(vim.api.nvim_buf_get
 vim.keymap.set('n', '[f', '<C-O>', opts)
 vim.keymap.set('n', ']f', '<C-I>', opts)
 
--- quickfix navigation
-vim.keymap.set('n', '[q', '<cmd>cprevious<CR>', opts)
-vim.keymap.set('n', ']q', '<cmd>cnext<CR>', opts)
-vim.keymap.set('n', '<space>qc', '<cmd>cclose<CR>', opts)
-
 -- conflicts navigation
 vim.keymap.set('n', '[x', '?^[<lt>=>]\\{7}<CR>', opts)
 vim.keymap.set('n', ']x', '/^[<lt>=>]\\{7}<CR>', opts)
@@ -87,6 +82,7 @@ vim.keymap.set('n', ']D', function() vim.diagnostic.jump({ count = 1, float = tr
 vim.keymap.set('n', '<space>qe', function() vim.diagnostic.setqflist({ severity = vim.diagnostic.severity.ERROR }) end, opts)
 vim.keymap.set('n', '<space>qw', function() vim.diagnostic.setqflist({ severity = { min = vim.diagnostic.severity.WARN } }) end, opts)
 vim.keymap.set('n', '<space>qd', function() vim.diagnostic.setqflist({}) end, opts)
+vim.keymap.set('n', '<space>qc', '<cmd>cclose<CR>', opts)
 
 -- LSP-specific
 vim.api.nvim_create_autocmd('LspAttach', {