Removed throw Exception code that does not occur

Signed-off-by: ChanHyeongLee <[email protected]>

Author: Tussle0410

spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/JpaQueryLookupStrategy.java

@@ -312,7 +312,6 @@ public static QueryLookupStrategy create(EntityManager em, JpaQueryMethodFactory
 			case CREATE_IF_NOT_FOUND -> new CreateIfNotFoundQueryLookupStrategy(em, queryMethodFactory,
 					new CreateQueryLookupStrategy(em, queryMethodFactory, configuration),
 					new DeclaredQueryLookupStrategy(em, queryMethodFactory, configuration), configuration);
-			default -> throw new IllegalArgumentException(String.format("Unsupported query lookup strategy %s", key));
 		};
 	}