feline: removed unused settings

lua/plugins/feline.lua

@@ -4,11 +4,5 @@ return {
         "lewis6991/gitsigns.nvim",
     },
     lazy = false,
-    config = function(_, opts)
-        require('feline').setup()
-        -- require('feline').winbar.setup()       -- to use winbar
-        require('feline').statuscolumn.setup() -- to use statuscolumn
-
-        -- require('feline').use_theme()          -- to use a custom theme
-    end
+    opts = {},
 }