Update mip-2.md (#30)

* Update mip-2.md

Move to accepted.

* Update mip-2.md

Update to Implemented.

MIPs/mip-2.md

@@ -1,8 +1,8 @@
 ---
 MIP: 2
 Title: Implement `wallet_revokePermissions` for Flexible Permission Revocation
-Status: Last Call
-Stability: n/a
+Status: Implemented
+Stability: Experimental
 discussions-to: https://github.com/MetaMask/metamask-improvement-proposals/discussions
 Author(s): Julia Collins (@julesat22), Shane Jonas (@shanejonas)
 Type: Community
@@ -109,4 +109,4 @@ Please provide feedback on this proposal by opening an issue in the MetaMask MIP
 Julia Collins (@julesat22), Shane Jonas (@shanejonas)
 
 ## Copyright
-Copyright and related rights waived via [CC0](../LICENSE).
+Copyright and related rights waived via [CC0](../LICENSE).