Revert "add support of the following domains: eu, au, uk (#1587)"

This reverts commit 54aa632.

Author: aaron-congo

wrapper/src/test/java/software/amazon/jdbc/util/RdsUtilsTests.java

@@ -44,9 +44,6 @@ public class RdsUtilsTests {
   private static final String usEastRegionLimitlessDbShardGroup =
       "database-test-name.shardgrp-XYZ.us-east-2.rds.amazonaws.com";
 
-  private static final String euRedshift =
-      "redshift-test-name.XYZ.eusc-de-east-1.rds.amazonaws.eu";
-
   private static final String chinaRegionCluster =
       "database-test-name.cluster-XYZ.rds.cn-northwest-1.amazonaws.com.cn";
   private static final String chinaRegionClusterTrailingDot =
@@ -142,7 +139,6 @@ public void testIsRdsDns() {
     assertFalse(target.isRdsDns(usEastRegionElbUrl));
     assertFalse(target.isRdsDns(usEastRegionElbUrlTrailingDot));
     assertTrue(target.isRdsDns(usEastRegionLimitlessDbShardGroup));
-    assertTrue(target.isRdsDns(euRedshift));
 
     assertTrue(target.isRdsDns(chinaRegionCluster));
     assertTrue(target.isRdsDns(chinaRegionClusterTrailingDot));
@@ -220,9 +216,6 @@ public void testGetRdsInstanceHostPattern() {
     assertEquals(oldChinaExpectedHostPattern, target.getRdsInstanceHostPattern(oldChinaRegionProxy));
     assertEquals(oldChinaExpectedHostPattern, target.getRdsInstanceHostPattern(oldChinaRegionCustomDomain));
     assertEquals(oldChinaExpectedHostPattern, target.getRdsInstanceHostPattern(oldChinaRegionLimitlessDbShardGroup));
-
-    final String euRedshiftExpectedHostPattern = "?.XYZ.eusc-de-east-1.rds.amazonaws.eu";
-    assertEquals(euRedshiftExpectedHostPattern, target.getRdsInstanceHostPattern(euRedshift));
   }
 
   @Test
@@ -235,7 +228,6 @@ public void testIsRdsClusterDns() {
     assertFalse(target.isRdsClusterDns(usEastRegionCustomDomain));
     assertFalse(target.isRdsClusterDns(usEastRegionElbUrl));
     assertFalse(target.isRdsClusterDns(usEastRegionLimitlessDbShardGroup));
-    assertFalse(target.isRdsClusterDns(euRedshift));
 
     assertTrue(target.isRdsClusterDns(usIsobEastRegionCluster));
     assertTrue(target.isRdsClusterDns(usIsobEastRegionClusterReadOnly));
@@ -276,7 +268,6 @@ public void testIsWriterClusterDns() {
     assertFalse(target.isWriterClusterDns(usEastRegionCustomDomain));
     assertFalse(target.isWriterClusterDns(usEastRegionElbUrl));
     assertFalse(target.isWriterClusterDns(usEastRegionLimitlessDbShardGroup));
-    assertFalse(target.isWriterClusterDns(euRedshift));
 
     assertTrue(target.isWriterClusterDns(usIsobEastRegionCluster));
     assertFalse(target.isWriterClusterDns(usIsobEastRegionClusterReadOnly));
@@ -317,7 +308,6 @@ public void testIsReaderClusterDns() {
     assertFalse(target.isReaderClusterDns(usEastRegionCustomDomain));
     assertFalse(target.isReaderClusterDns(usEastRegionElbUrl));
     assertFalse(target.isReaderClusterDns(usEastRegionLimitlessDbShardGroup));
-    assertFalse(target.isReaderClusterDns(euRedshift));
 
     assertFalse(target.isReaderClusterDns(usIsobEastRegionCluster));
     assertTrue(target.isReaderClusterDns(usIsobEastRegionClusterReadOnly));
@@ -358,7 +348,6 @@ public void testIsLimitlessDbShardGroupDns() {
     assertFalse(target.isLimitlessDbShardGroupDns(usEastRegionCustomDomain));
     assertFalse(target.isLimitlessDbShardGroupDns(usEastRegionElbUrl));
     assertTrue(target.isLimitlessDbShardGroupDns(usEastRegionLimitlessDbShardGroup));
-    assertFalse(target.isLimitlessDbShardGroupDns(euRedshift));
 
     assertFalse(target.isLimitlessDbShardGroupDns(usIsobEastRegionCluster));
     assertFalse(target.isLimitlessDbShardGroupDns(usIsobEastRegionClusterReadOnly));
@@ -434,9 +423,6 @@ public void testGetRdsRegion() {
     assertEquals(chinaExpectedHostPattern, target.getRdsRegion(oldChinaRegionProxy));
     assertEquals(chinaExpectedHostPattern, target.getRdsRegion(oldChinaRegionCustomDomain));
     assertEquals(chinaExpectedHostPattern, target.getRdsRegion(oldChinaRegionLimitlessDbShardGroup));
-
-    final String euRedshiftExpectedHostPattern = "eusc-de-east-1";
-    assertEquals(euRedshiftExpectedHostPattern, target.getRdsRegion(euRedshift));
   }
 
   @Test