remove init in favor of upstream init

libp2p/multiaddress.nim

@@ -633,23 +633,6 @@ proc validate*(ma: MultiAddress): bool =
       discard
   result = true
 
-proc init*(mtype: typedesc[MultiAddress], address: TransportAddress): MultiAddress =
-  ## Returns a multiaddr of ``address``.
-  case address.family
-  of AddressFamily.IPv4:
-    var a = IpAddress(
-      family: IpAddressFamily.IPv4,
-      address_v4: address.address_v4
-    )
-    result = MultiAddress.init(a, Protocol.IPPROTO_TCP, address.port)
-  of AddressFamily.IPv6:
-    var a = IpAddress(family: IpAddressFamily.IPv6,
-                      address_v6: address.address_v6)
-    result = MultiAddress.init(a, Protocol.IPPROTO_TCP, address.port)
-  else:
-    raise newException(TransportAddressError,
-        "Invalid address for transport!")
-
 proc init*(mtype: typedesc[MultiAddress], protocol: MultiCodec,
            value: openarray[byte]): MultiAddress =
   ## Initialize MultiAddress object from protocol id ``protocol`` and array