nvim: fix errors (disable yamlls and vim-matchup)

.config/nvim/lua/blake/lsp.lua

@@ -272,7 +272,7 @@ M.lspconfig = function()
       'nil_ls',
       'nil_ls',
       'rust_analyzer',
-      'yamlls',
+      -- 'yamlls',
    }
    for _, lsp in pairs(lsp_servers) do
          nvim_lsp[lsp].setup {

.config/nvim/lua/blake/plugins.lua

@@ -319,9 +319,9 @@ return require('packer').startup({function()
    --       require("twilight").setup()
    --    end,
    -- }
-   use { -- matchup:                   Use the percent (%) key for more things
-      'andymass/vim-matchup',
-   }
+   -- use { -- matchup:                   Use the percent (%) key for more things
+   --    'andymass/vim-matchup',
+   -- }
    use { -- indentline:                Line indent indicators
       'lukas-reineke/indent-blankline.nvim',
       config = function()