Update issue templates

Author: Su5eD

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -29,7 +29,6 @@ body:
       description: What version of Minecraft are you running? Please note that only the versions listed below are supported. If you're running an outdated version, update to receive support.
       options:
         - "1.21.1"
-        - "1.20.1 (LTS)"
       default: 0
     validations:
       required: true

.github/ISSUE_TEMPLATE/mod_incompatibility.yml

@@ -47,7 +47,6 @@ body:
         LTS versions will only receive **critical bugfixes** and no compatibility patches will be made. 
       options:
         - "1.21.1"
-        - "1.20.1 (LTS)"
       default: 0
     validations:
       required: true