Remove manual snapshot release

Author: jaskarth

.github/workflows/snapshot.yml

@@ -1,10 +1,8 @@
 name: Publish Snapshot
-#on: [push, pull_request]
-on:
-  workflow_dispatch:
+on: [push, pull_request]
 jobs:
   publish:
-    #if: ${{ github.repository_owner == 'Vineflower' && contains(github.ref_name, 'develop') }}
+    if: ${{ github.repository_owner == 'Vineflower' && contains(github.ref_name, 'develop') }}
     runs-on: ubuntu-20.04
     container:
       image: openjdk:15-jdk