Migrate mt function to mitchty.net

dotprofile.org

@@ -272,7 +272,7 @@ try_git()
 
 mt()
 {
-  try_git "ssh://gitea@git.functionalidiot.com:2222/${1}" "${2:-master}"
+  try_git "ssh://gitea@git.mitchty.net:2222/${1}" "${2:-master}"
 }
 
 gh()