Fix conflicts: opensearch-project#639: Support OpenSearch metadata fi…

…elds and the score OpenSearch function (#228) (opensearch-project#1456)

Allow metadata fields and score OpenSearch function.

Signed-off-by: Andrew Carbonetto <andrewc@bitquilltech.com>

sql/src/main/java/org/opensearch/sql/sql/parser/AstExpressionBuilder.java

@@ -9,7 +9,6 @@
 import static org.opensearch.sql.ast.dsl.AstDSL.between;
 import static org.opensearch.sql.ast.dsl.AstDSL.not;
 import static org.opensearch.sql.ast.dsl.AstDSL.qualifiedName;
-import static org.opensearch.sql.ast.dsl.AstDSL.stringLiteral;
 import static org.opensearch.sql.expression.function.BuiltinFunctionName.IS_NOT_NULL;
 import static org.opensearch.sql.expression.function.BuiltinFunctionName.IS_NULL;
 import static org.opensearch.sql.expression.function.BuiltinFunctionName.LIKE;