Revert "chore: Fix missing auth enforcer upgrade"

This reverts commit e07ef33.

Author: lqiu96

google-auth-library-java/pom.xml

@@ -80,7 +80,7 @@
     <project.appengine.version>2.0.33</project.appengine.version>
     <project.findbugs.version>3.0.2</project.findbugs.version>
     <deploy.autorelease>false</deploy.autorelease>
-    <project.error-prone.version>2.50.0</project.error-prone.version>
+    <project.error-prone.version>2.48.0</project.error-prone.version>
     <project.protobuf.version>4.33.6</project.protobuf.version>
     <project.cel.version>0.9.0-proto3</project.cel.version>
     <project.tink.version>1.15.0</project.tink.version>