modules/db_mysql, modules_k/db_oracle, modules_k/db_sqlite, modules_k/db_unixodbc: Reverted changes for non-pooled connections as no longer needed

- The original db_do_init() function is available so these modules
  don't need to be changed.

modules/db_mysql/km_dbase.c

@@ -133,7 +133,7 @@ static int db_mysql_submit_query(const db1_con_t* _h, const str* _s)
  */
 db1_con_t* db_mysql_init(const str* _url)
 {
-	return db_do_init(_url, (void *)db_mysql_new_connection, 0);
+	return db_do_init(_url, (void *)db_mysql_new_connection);
 }
 
 

modules_k/db_oracle/dbase.c

@@ -163,7 +163,7 @@ const char* db_oracle_error(ora_con_t* con, sword status)
  */
 db1_con_t* db_oracle_init(const str* _url)
 {
-	return db_do_init(_url, (void *)db_oracle_new_connection, 0);
+	return db_do_init(_url, (void *)db_oracle_new_connection);
 }
 
 

modules_k/db_sqlite/dbase.c

@@ -73,7 +73,7 @@ static struct sqlite_connection * db_sqlite_new_connection(const struct db_id* i
 
 db1_con_t* db_sqlite_init(const str* _url)
 {
-	return db_do_init(_url, (void *) db_sqlite_new_connection, 0);
+	return db_do_init(_url, (void *) db_sqlite_new_connection);
 }
 
 

modules_k/db_unixodbc/dbase.c

@@ -172,7 +172,7 @@ static int db_unixodbc_submit_query(const db1_con_t* _h, const str* _s)
  */
 db1_con_t* db_unixodbc_init(const str* _url)
 {
-	return db_do_init(_url, (void*)db_unixodbc_new_connection, 0);
+	return db_do_init(_url, (void*)db_unixodbc_new_connection);
 }
 
 /*