Remove remaining references to jvm flag in instance tests

Author: tylerjl

spec/defines/005_elasticsearch_instance_spec.rb

@@ -799,7 +799,6 @@ class { 'elasticsearch':
                 -Dlog4j2.disable.jmx=true.
                 -XX:\+AlwaysPreTouch.
                 -XX:\+HeapDumpOnOutOfMemoryError.
-                -XX:\+PrintGCApplicationStoppedTime.
                 -XX:\+PrintGCDateStamps.
                 -XX:\+PrintGCDetails.
                 -XX:\+PrintTenuringDistribution.
@@ -842,7 +841,6 @@ class { 'elasticsearch':
                 -Dlog4j2.disable.jmx=true.
                 -XX:\+AlwaysPreTouch.
                 -XX:\+HeapDumpOnOutOfMemoryError.
-                -XX:\+PrintGCApplicationStoppedTime.
                 -XX:\+PrintGCDateStamps.
                 -XX:\+PrintGCDetails.
                 -XX:\+PrintTenuringDistribution.