Revert "Test if assertions are enabled in test JVM"

This reverts commit 79cd708.

Author: varunbharadwaj

server/src/test/java/org/opensearch/search/aggregations/AggregationCollectorManagerTests.java

@@ -83,12 +83,6 @@ public void testAggCollectorManagersWithBothGlobalNonGlobalAggregators() throws
     }
 
     public void testAssertionWhenCollectorManagerCreatesNoOPCollector() throws Exception {
-        try {
-            assert false;
-            throw new RuntimeException("Assertions not enabled!");
-        } catch (AssertionError e) {
-
-        }
         AggregatorFactories aggregatorFactories = getAggregationFactories(globalAgg);
         SearchContextAggregations contextAggregations = new SearchContextAggregations(
             aggregatorFactories,