Remove java8-specific overrides

Bug: Issue 15391
Change-Id: Iff7d7a87e063bd3905e5401f200f7ed4cbaf679d
diff --git a/jenkins/gerrit-mvn-plugin-template.yaml b/jenkins/gerrit-mvn-plugin-template.yaml
index 5f2fdbc..5151da8 100644
--- a/jenkins/gerrit-mvn-plugin-template.yaml
+++ b/jenkins/gerrit-mvn-plugin-template.yaml
@@ -21,9 +21,6 @@
             - job-discover
             - job-read
             - job-extended-read
-      - inject:
-          properties-content: >
-            BAZEL_OPTS=--java_toolchain=//tools:error_prone_warnings_toolchain
     scm:
       - git:
           remotes: