Remove superflouous checks in AdvancedShardAwarenessIT

These patterns ensure that certain steps were taken, but
their end result is already covered by pattern checking that
reconnection completed with max total number of channels.

Author: Bouncheck

integration-tests/src/test/java/com/datastax/oss/driver/core/pool/AdvancedShardAwarenessIT.java

@@ -95,12 +95,7 @@ public void should_initialize_all_channels(boolean reuseAddress) {
     Map<Pattern, Integer> expectedOccurences =
         ImmutableMap.of(
             Pattern.compile(".*\\.2:19042.*Reconnection attempt complete, 6/6 channels.*"), 1,
-            Pattern.compile(".*\\.1:19042.*Reconnection attempt complete, 6/6 channels.*"), 1,
-            Pattern.compile(".*Reconnection attempt complete.*"), 2,
-            Pattern.compile(".*\\.1:19042.*New channel added \\[.*"), 5,
-            Pattern.compile(".*\\.2:19042.*New channel added \\[.*"), 5,
-            Pattern.compile(".*\\.1:19042\\] Trying to create 5 missing channels.*"), 1,
-            Pattern.compile(".*\\.2:19042\\] Trying to create 5 missing channels.*"), 1);
+            Pattern.compile(".*\\.1:19042.*Reconnection attempt complete, 6/6 channels.*"), 1);
     DriverConfigLoader loader =
         SessionUtils.configLoaderBuilder()
             .withBoolean(DefaultDriverOption.SOCKET_REUSE_ADDRESS, reuseAddress)
@@ -203,12 +198,6 @@ public void should_not_struggle_to_fill_pools() {
               Pattern.compile(".*\\.2:19042.*Reconnection attempt complete, 66/66 channels.*"),
                   1 * sessions,
               Pattern.compile(".*\\.1:19042.*Reconnection attempt complete, 66/66 channels.*"),
-                  1 * sessions,
-              Pattern.compile(".*Reconnection attempt complete.*"), 2 * sessions,
-              Pattern.compile(".*.1:19042.*New channel added \\[.*"), 65 * sessions - tolerance,
-              Pattern.compile(".*.2:19042.*New channel added \\[.*"), 65 * sessions - tolerance,
-              Pattern.compile(".*.1:19042\\] Trying to create 65 missing channels.*"), 1 * sessions,
-              Pattern.compile(".*.2:19042\\] Trying to create 65 missing channels.*"),
                   1 * sessions);
       expectedOccurences.forEach(
           (pattern, times) -> assertMatchesAtLeast(pattern, times, appender.list));