refactor: update save interceptor API by removing unused methods

Author: NoOne7135

adminforth/documentation/docs/tutorial/07-Plugins/02-TwoFactorsAuth.md

@@ -366,7 +366,7 @@ options: {
   }
 }
 ```
-> Note: You can use all injections, not only bottom
+Note: You can use any injection which executes JS on a page where Save bottom is rendered, not only bottom
 
 Backend (resource hook verification):
 

adminforth/spa/src/adminforth.ts

@@ -228,8 +228,6 @@ export function useAdminforth() {
   const api = frontendAPI as FrontendAPI;
   return {
     registerSaveInterceptor: (handler: (ctx: { action: 'create'|'edit'; values: any; resource: any; }) => Promise<{ ok: boolean; error?: string | null; extra?: object; }>) => api.registerSaveInterceptor(handler),
-    runSaveInterceptors: (params: { action: 'create'|'edit'; values: any; resource: any; resourceId: string; }) => api.runSaveInterceptors(params),
-    clearSaveInterceptors: (resourceId?: string) => api.clearSaveInterceptors(resourceId),
     api,
   };
 }