Don't perform code scanning on pull requests.

Fizzadar · Fizzadar · commit 0fda1de48ba1 · 2021-06-08T15:13:46.000+01:00
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
@@ -5,7 +5,6 @@ on:
     branches:
       - current
       - next
-  pull_request:
 
 jobs:
   CodeQL-Build:
