Update .github/workflows/reusable-check-c-api-docs.yml

Co-authored-by: 🇺🇦 Sviatoslav Sydorenko (Святослав Сидоренко) <wk.cvs.github@sydorenko.org.ua>

Author: StanFromIreland

.github/workflows/reusable-check-c-api-docs.yml

@@ -2,7 +2,6 @@ name: Reusable C API Docs Check
 
 on:
   workflow_call:
-  workflow_dispatch:
 
 permissions:
   contents: read