actions: pull-request: squash main/setup functions

actions/example-pull-request/run.sh

@@ -3,7 +3,7 @@ export d=/srv/example/pull-request
 
 PROOF='some proof'
 
-function setup() {
+function main() {
     mkdir -p $d
 
     forgejo-test-helper.sh push_workflow actions/example-$example $url root example-$example setup-forgejo $token
@@ -54,8 +54,4 @@ function setup() {
     done
 }
 
-function main() {
-    setup
-}
-
 main