Revert "db/drivers/odbc: set ODBC MySQL DB backend SQL ANSI_QUOTES MO…

…DE (OSGeo#3635)"

This reverts commit 5f6977e.

db/drivers/odbc/db.c

@@ -13,7 +13,6 @@ int db__driver_open_database(dbHandle *handle)
     SQLRETURN ret;
     SQLINTEGER err;
     dbConnection connection;
-    SQLCHAR dbms_name[256];
 
     /* Open connection */
     if (open_connection() != DB_OK)
@@ -40,30 +39,6 @@ int db__driver_open_database(dbHandle *handle)
         return DB_FAILED;
     }
 
-    /* Find ODBC DB driver */
-    SQLGetInfo(ODconn, SQL_DBMS_NAME, (SQLPOINTER)dbms_name, sizeof(dbms_name),
-               NULL);
-
-    if (strcmp((CHAR *)dbms_name, "MySQL") == 0 ||
-        strcmp((CHAR *)dbms_name, "MariaDB") == 0) {
-        cursor *c;
-
-        c = alloc_cursor();
-        if (c == NULL)
-            return DB_FAILED;
-
-        /* Set SQL ANSI_QUOTES MODE which allow to use double quotes instead of
-         * backticks */
-        SQLExecDirect(c->stmt, (SQLCHAR *)"SET SQL_MODE=ANSI_QUOTES", SQL_NTS);
-
-        G_debug(
-            3,
-            "db__driver_open_database(): Set ODBC %s DB SQL ANSI_QUOTES MODE",
-            dbms_name);
-
-        free_cursor(c);
-    }
-
     return DB_OK;
 }