Update README.mediawiki

Author: cgilliard

README.mediawiki

@@ -652,14 +652,6 @@ Those proposing changes should consider that ultimately consent may rest with th
 | Informational
 | Draft
 |-
-|- style="background-color: #cfffcf"
-| [[bip-0137.mediawiki|137]]
-| Applications
-| Signatures of Messages using Private Keys
-| Christopher Gilliard
-| Standard
-| Final
-|-
 | [[bip-0140.mediawiki|140]]
 | Consensus (soft fork)
 | Normalized TXID