Revert required fields

The extension now decides if it should enable the remote debugging if a
port is defined in the user configuration.

lua/dap-go.lua

@@ -81,25 +81,17 @@ local function setup_delve_adapter(dap, config)
  }
 
  dap.adapters.go = function(callback, client_config)
- local required_fields = {
- "mode",
- "port",
- "host",
- }
-
- for _, field in ipairs(required_fields) do
- if client_config[field] == nil then
- vim.notify(string.format("missing DAP config key %s", field), vim.log.levels.ERROR)
- return
- end
- end
-
- if client_config.mode ~= "remote" then
+ if client_config.port == nil then
  callback(delve_config)
  return
  end
 
- local listener_addr = client_config.host .. ":" .. client_config.port
+ local host = client_config.host
+ if host == nil then
+ host = "127.0.0.1"
+ end
+
+ local listener_addr = host .. ":" .. client_config.port
  delve_config.port = client_config.port
  delve_config.executable.args = { "dap", "-l", listener_addr }