Revert dynamic column support (opensearch-project#5139)

* Revert "Adopt appendcol, appendpipe, multisearch to spath (opensearch-project#5075)"

This reverts commit 7630db8.

Signed-off-by: Chen Dai <daichen@amazon.com>

* Revert "Support spath with dynamic fields (opensearch-project#5058)"

This reverts commit 633d760.

Signed-off-by: Chen Dai <daichen@amazon.com>

* Revert "Implement spath command with field resolution (opensearch-project#5028)"

This reverts commit 65baa2a.

Signed-off-by: Chen Dai <daichen@amazon.com>

* Fix failed IT testSpathWithMvCombine

Signed-off-by: Chen Dai <daichen@amazon.com>

---------

Signed-off-by: Chen Dai <daichen@amazon.com>

Author: dai-chen

common/src/main/java/org/opensearch/sql/common/utils/DebugUtils.java

@@ -107,7 +107,6 @@
 import org.opensearch.sql.ast.tree.Values;
 import org.opensearch.sql.ast.tree.Window;
 import org.opensearch.sql.common.antlr.SyntaxCheckException;
-import org.opensearch.sql.common.patterns.PatternUtils;
 import org.opensearch.sql.data.model.ExprMissingValue;
 import org.opensearch.sql.data.type.ExprCoreType;
 import org.opensearch.sql.datasource.DataSourceService;
@@ -978,10 +977,10 @@ private Aggregation analyzePatternsAgg(Patterns node) {
     List<UnresolvedExpression> aggExprs =
         Stream.of(
                 new Alias(
-                    PatternUtils.PATTERN_COUNT,
+                    "pattern_count",
                     new AggregateFunction(BuiltinFunctionName.COUNT.name(), AllFields.of())),
                 new Alias(
-                    PatternUtils.SAMPLE_LOGS,
+                    "sample_logs",
                     new AggregateFunction(
                         BuiltinFunctionName.TAKE.name(),
                         node.getSourceField(),