fix: update comment for setReserveFlashLoaning

Author: Steven Valeri

contracts/interfaces/IPoolConfigurator.sol

@@ -319,7 +319,6 @@ interface IPoolConfigurator {
 
   /**
    * @notice Enable or disable flashloans on a reserve
-   * @dev Can only be enabled (set to true) if borrowing is enabled
    * @param asset The address of the underlying asset of the reserve
    * @param enabled True if flashloans need to be enabled, false otherwise
    */