Rename Oracle ddl script name to be accurate.

Original schema name for oracle was schema-oracle10g.sql which was inaccurate.   It should just be schema-oracle.sql.

spring-cloud-task-core/src/main/java/org/springframework/cloud/task/repository/support/TaskRepositoryInitializer.java

@@ -111,7 +111,7 @@ public final class TaskRepositoryInitializer implements InitializingBean {
 				platform = "postgresql";
 			}
 			if ("oracle".equals(platform)) {
-				platform = "oracle10g";
+				platform = "oracle";
 			}
 			if ("mysql".equals(platform)) {
 				platform = "mysql";