Revert "AMBARI-18249. Set the default 1.8 JDK to 18.0_77 for Ambari. (stoader)"

This reverts commit a39285dddb05ab51915e0bb04bcff06f1b40de63.
diff --git a/ambari-server/conf/unix/ambari.properties b/ambari-server/conf/unix/ambari.properties
index 52f4959..b8e41b7 100644
--- a/ambari-server/conf/unix/ambari.properties
+++ b/ambari-server/conf/unix/ambari.properties
@@ -32,8 +32,8 @@
 jdk1.7.home=$ROOT/usr/jdk64/
 jdk1.7.re=(jdk.*)/jre
 jdk1.8.desc=Oracle JDK 1.8 + Java Cryptography Extension (JCE) Policy Files 8
-jdk1.8.url=http://public-repo-1.hortonworks.com/ARTIFACTS/jdk-8u77-linux-x64.tar.gz
-jdk1.8.dest-file=jdk-8u77-linux-x64.tar.gz
+jdk1.8.url=http://public-repo-1.hortonworks.com/ARTIFACTS/jdk-8u60-linux-x64.tar.gz
+jdk1.8.dest-file=jdk-8u60-linux-x64.tar.gz
 jdk1.8.jcpol-url=http://public-repo-1.hortonworks.com/ARTIFACTS/jce_policy-8.zip
 jdk1.8.jcpol-file=jce_policy-8.zip
 jdk1.8.home=$ROOT/usr/jdk64/
diff --git a/ambari-server/src/main/python/ambari_server/serverSetup.py b/ambari-server/src/main/python/ambari_server/serverSetup.py
index 60e9497..d80c25a 100644
--- a/ambari-server/src/main/python/ambari_server/serverSetup.py
+++ b/ambari-server/src/main/python/ambari_server/serverSetup.py
@@ -733,9 +733,9 @@
     super(JDKSetupLinux, self).__init__()
     self.JDK_DEFAULT_CONFIGS = [
       JDKRelease("jdk1.8", "Oracle JDK 1.8 + Java Cryptography Extension (JCE) Policy Files 8",
-                 "http://public-repo-1.hortonworks.com/ARTIFACTS/jdk-8u77-linux-x64.tar.gz", "jdk-8u77-linux-x64.tar.gz",
+                 "http://public-repo-1.hortonworks.com/ARTIFACTS/jdk-8u60-linux-x64.tar.gz", "jdk-8u60-linux-x64.tar.gz",
                  "http://public-repo-1.hortonworks.com/ARTIFACTS/jce_policy-8.zip", "jce_policy-8.zip",
-                 AmbariPath.get("/usr/jdk64/jdk1.8.0_77"),
+                 AmbariPath.get("/usr/jdk64/jdk1.8.0_40"),
                  "(jdk.*)/jre")
     ]