feat: remove Gin and standardize on nethttp

config/config.go

@@ -11,7 +11,6 @@ const defaultRequestIDHeader = "X-Request-ID"
 
 // Config controls the default runtime behavior of an App.
 type Config struct {
-	Mode            string
 	Address         string
 	RequestIDHeader string
 	EnableLogger    bool
@@ -53,11 +52,6 @@ func (e *ConfigError) Error() string { return "config " + e.Field + " " + e.Mess
 // Option changes an App's configuration.
 type Option func(*Config)
 
-// WithMode sets the default transport's running mode.
-func WithMode(mode string) Option {
-	return func(cfg *Config) { cfg.Mode = mode }
-}
-
 // WithRequestIDHeader changes the header used to read and return request IDs.
 func WithRequestIDHeader(header string) Option {
 	return func(cfg *Config) {