Revert "Refactor theme and status line into their own file"

This reverts commit cdaa750c86.

init.lua

@@ -122,18 +122,35 @@ require('lazy').setup({
         changedelete = { text = '~' },
       },
       on_attach = function(bufnr)
-        vim.keymap.set('n', '[c', require('gitsigns').prev_hunk, { buffer = bufnr, desc = 'Go to Previous Hunk' })
-        vim.keymap.set('n', ']c', require('gitsigns').next_hunk, { buffer = bufnr, desc = 'Go to Next Hunk' })
+        vim.keymap.set('n', '<leader>gp', require('gitsigns').prev_hunk, { buffer = bufnr, desc = '[G]o to [P]revious Hunk' })
+        vim.keymap.set('n', '<leader>gn', require('gitsigns').next_hunk, { buffer = bufnr, desc = '[G]o to [N]ext Hunk' })
         vim.keymap.set('n', '<leader>ph', require('gitsigns').preview_hunk, { buffer = bufnr, desc = '[P]review [H]unk' })
       end,
     },
   },
 
-  -- Theme related configs go here
-  require 'kickstart.plugins.theme',
+  {
+    -- Theme inspired by Atom
+    'navarasu/onedark.nvim',
+    priority = 1000,
+    config = function()
+      vim.cmd.colorscheme 'onedark'
+    end,
+  },
 
-  -- Status line related configs go here
-  require 'kickstart.plugins.statusline',
+  {
+    -- Set lualine as statusline
+    'nvim-lualine/lualine.nvim',
+    -- See `:help lualine.txt`
+    opts = {
+      options = {
+        icons_enabled = false,
+        theme = 'onedark',
+        component_separators = '|',
+        section_separators = '',
+      },
+    },
+  },
 
   {
     -- Add indentation guides even on blank lines