[skip ci] remove custom-repos.gradle if cleaning up

Author: jdaugherty

etc/bin/reset-verify.sh

@@ -43,4 +43,5 @@ cd "${CWD}"
 
 rm -rf "apache-grails-${VERSION}-incubating-bin"
 rm -rf "apache-grails-wrapper-${VERSION}-incubating-bin"
-rm -rf "profile-wrapper-check"
+rm -rf "profile-wrapper-check"
+rm -f ./custom-repos.gradle