refactor(nvim): use builtin table merge function

modules/programs/nvim/init.lua

@@ -69,34 +69,6 @@ vim.api.nvim_create_autocmd("InsertEnter", {
   end,
 })
 
----merge tables
----@param ... table[]
----@return table
-local function table_merge(...)
-  local tables_to_merge = { ... }
-  assert(#tables_to_merge > 1, "There should be at least two tables to merge them")
-
-  for k, t in ipairs(tables_to_merge) do
-    assert(type(t) == "table", string.format("Expected a table as function parameter %d", k))
-  end
-
-  local result = tables_to_merge[1]
-
-  for i = 2, #tables_to_merge do
-    local from = tables_to_merge[i]
-    for k, v in pairs(from) do
-      if type(v) == "table" then
-        result[k] = result[k] or {}
-        result[k] = table_merge(result[k], v)
-      else
-        result[k] = v
-      end
-    end
-  end
-
-  return result
-end
-
 local lsp_lines = require("lsp_lines")
 lsp_lines.setup()
 -- Disable virtual_text since it's redundant due to lsp_lines.
@@ -222,7 +194,7 @@ local lspconfig_default_options = {
 ---@param options table
 ---@return nil
 local function lspconfig_setup(lsp, options)
-  local final_options = table_merge(lspconfig_default_options, options)
+  local final_options = vim.tbl_deep_extend("force", lspconfig_default_options, options)
   lspconfig[lsp].setup(final_options)
 end