remove unused skip verify (#116)

closes #112

Author: anjmao

soap/soap.go

@@ -150,16 +150,14 @@ type basicAuth struct {
 }
 
 type options struct {
-	insecureSkipVerify bool
-	tlsCfg             *tls.Config
-	auth               *basicAuth
-	timeout            time.Duration
-	httpHeaders        map[string]string
+	tlsCfg      *tls.Config
+	auth        *basicAuth
+	timeout     time.Duration
+	httpHeaders map[string]string
 }
 
 var defaultOptions = options{
-	insecureSkipVerify: false,
-	timeout:            time.Duration(30 * time.Second),
+	timeout: time.Duration(30 * time.Second),
 }
 
 // A Option sets options such as credentials, tls, etc.
@@ -186,13 +184,6 @@ func WithTimeout(t time.Duration) Option {
 	}
 }
 
-// WithInsecureSkipVerify is an Option to set insecure skip verify
-func WithInsecureSkipVerify(skipVerify bool) Option {
-	return func(o *options) {
-		o.insecureSkipVerify = skipVerify
-	}
-}
-
 // WithHTTPHeaders is an Option to set global HTTP headers for all requests
 func WithHTTPHeaders(headers map[string]string) Option {
 	return func(o *options) {