Fix proxy

contracts/interfaces/IIdentityRecovery.sol

-// SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity ^0.8.3;
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
 
 interface IIdentityRecovery {
     event UpdateCreated(address keyOwner, string pubKey, uint256 publicKeyNumber);

contracts/interfaces/IMaster.sol

-// SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity ^0.8.3;
-
-interface IMaster {
-    function getLatestAddress(bytes2 _module) external view returns(address);
-}
\ No newline at end of file

contracts/interfaces/IMemberRoles.sol

-// SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity ^0.8.3;
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
 
 interface IMemberRoles {
     event MemberRole(uint256 indexed roleId, bytes32 roleName, string roleDescription, bool isLimited);
@@ -40,13 +40,6 @@ interface IMemberRoles {
      */
     function members(uint _memberRoleId) external view returns(uint, address[] memory allMemberAddress);
     
-    /**
-     * @dev Gets all members' length
-     * @param _memberRoleId Member role id
-     * @return memberRoleData[_memberRoleId].memberCounter Member length
-     */
-    function numberOfMembers(uint _memberRoleId) external view returns(uint);
-    
     /**
      * @dev Return member address who holds the right to add/remove any member from specific role.
      */

contracts/manage/Managed.sol

-// SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity ^0.8.3;
-
-interface IMaster {
-    function getLatestAddress(bytes2 _module) external view returns(address);
-}
-
-contract Managed {
-    
-    address public masterAddress; // Name of the dApp, needs to be set by contracts inhering this contract
-
-    /**
-     * @dev Modifier that allows only the authorized addresses to execute the function
-     */
-    modifier onlyAuthorizedToManage() {
-        IMaster ms = IMaster(masterAddress);
-        require(ms.getLatestAddress("IR") == msg.sender, "Not authorized");
-        _;
-    }   
-
-    /**
-     * @dev Checks if an address is authorized to manage
-     * @return isAuthorized if authorized to manage
-     */
-    function isAuthorizedToManage(address _toCheck) public view returns(bool) {
-        IMaster ms = IMaster(masterAddress);
-        return (ms.getLatestAddress("IR") == _toCheck);
-    }
-}
-

contracts/proxy/OwnedUpgradeableProxy.sol

-// SPDX-License-Identifier: GPL-3.0-or-later
-pragma solidity ^0.8.3;
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
 
-import './UpgradeabilityProxy.sol';
+import './UpgradeableProxy.sol';
 
 /**
- * @title OwnedUpgradeabilityProxy
- * @dev This contract combines an upgradeability proxy with basic authorization control functionality
+ * @title OwnedUpgradeableProxy
+ * @dev This contract combines an upgradeable proxy with basic authorization control functionality
  */
-contract OwnedUpgradeabilityProxy is UpgradeabilityProxy {
+contract OwnedUpgradeableProxy is UpgradeableProxy {
     /**
      * @dev Event to show ownership has been transferred
      * @param previousOwner representing the address of the previous owner
@@ -63,19 +63,6 @@ contract OwnedUpgradeabilityProxy is UpgradeabilityProxy {
         _upgradeTo(_implementation);
     }
 
-    // /**
-    //  * @dev Allows the proxy owner to upgrade the current version of the proxy and call the new implementation
-    //  * to initialize whatever is needed through a low level call.
-    //  * @param _implementation representing the address of the new implementation to be set.
-    //  * @param _data represents the msg.data to bet sent in the low level call. This parameter may include the function
-    //  * signature of the implementation to be called with the needed payload
-    //  */
-    // function upgradeToAndCall(address _implementation, bytes memory _data) payable public onlyProxyOwner {
-    //     _upgradeTo(_implementation);
-    //     (bool success, ) = address(this).call{value:msg.value}(_data);
-    //     require(success, "Transfer failed.");
-    // }
-
     /**
      * @dev Sets the address of the owner
      */