Refactored YSQL error handling by consolidating known issues; cleaned up unused StorageParameters logic

Author: qvad

src/sqlancer/yugabyte/ysql/YSQLProvider.java

@@ -224,6 +224,7 @@ private void createDatabaseSync(YSQLGlobalState globalState, String entryDatabas
                     try (Statement s = con.createStatement()) {
                         s.execute("DROP DATABASE IF EXISTS " + databaseName);
                     }
+                    exceptionLessSleep(SAFETY_DELAY_MS);
                     try (Statement s = con.createStatement()) {
                         s.execute(createDatabaseCommand);
                     }