Revert "TEZ-4123. TestMRRJobsDAGApi flaky timeout - unhealthy node"

This reverts commit 1fe978438e6cb213ac7fb70e0dde72c6e290dcae.
diff --git a/tez-tests/src/test/java/org/apache/tez/test/MiniTezCluster.java b/tez-tests/src/test/java/org/apache/tez/test/MiniTezCluster.java
index 17c6885..bac0e8c 100644
--- a/tez-tests/src/test/java/org/apache/tez/test/MiniTezCluster.java
+++ b/tez-tests/src/test/java/org/apache/tez/test/MiniTezCluster.java
@@ -89,15 +89,6 @@
   }
 
   @Override
-  public void init(Configuration conf) {
-    if (conf.getFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE,
-        YarnConfiguration.DEFAULT_NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE) == YarnConfiguration.DEFAULT_NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE) {
-      conf.setFloat(YarnConfiguration.NM_MAX_PER_DISK_UTILIZATION_PERCENTAGE, 99.0f);
-    }
-    super.init(conf);
-  }
-
-  @Override
   public void serviceInit(Configuration conf) throws Exception {
     conf.set(MRConfig.FRAMEWORK_NAME, MRConfig.YARN_TEZ_FRAMEWORK_NAME);
     // Use libs from cluster since no build is available