Remove package-lock.json and add to gitignore (using yarn)

Co-authored-by: hsluoyz <3787410+hsluoyz@users.noreply.github.com>

.gitignore

@@ -33,5 +33,8 @@ commentsRouter*.go
 casdoor
 server
 
+# ignore npm package-lock.json (using yarn instead)
+package-lock.json
+
 # include helm-chart
 !manifests/casdoor

web/src/ApplicationEditPage.js

@@ -1487,7 +1487,6 @@ class ApplicationEditPage extends React.Component {
 
   submitApplicationEdit(exitAfterSave) {
     const application = Setting.deepCopy(this.state.application);
-    application.providers = application.providers?.filter(provider => this.state.providers.map(provider => provider.name).includes(provider.name));
     application.signinMethods = application.signinMethods?.filter(signinMethod => ["Password", "Verification code", "WebAuthn", "LDAP", "Face ID", "WeChat"].includes(signinMethod.name));
 
     ApplicationBackend.updateApplication("admin", this.state.applicationName, application)