docs: Update SECURITY.md

Author: NGPixel

SECURITY.md

@@ -15,13 +15,7 @@ If you find such vulnerability, it's important to disclose it in a quick and sec
 
 **DO NOT CREATE A GITHUB ISSUE / DISCUSSION** to report a potential vulnerability / security problem. Instead, choose one of these options:
 
-### A) Submit a Vulnerability Report *(recommended)*
-
-Fill in the form on https://github.com/requarks/wiki/security/advisories/new
-
-### B) Send an email
-
-Send an email to security@requarks.io.
+Submit a Vulnerability Report by filling in the form on https://github.com/requarks/wiki/security/advisories/new
 
 Include as much details as possible, such as:
 - The version(s) of Wiki.js that are impacted