Encode PezkuwiChain networks by genesis in XCM

WESTEND held a stale genesis labelled Zagros. The runtimes declare ThisNetwork as ByGenesis and
the XCM v5 NetworkId has no Westend or Zagros variant, so the named mapping is removed and every
PezkuwiChain network is encoded as ByGenesis.

feature-xcm/api/src/main/java/io/novafoundation/nova/feature_xcm_api/multiLocation/MultiLocationEncoding.kt

@@ -112,7 +112,6 @@ private fun bindGlobalConsensusJunction(instance: Any?): Junction {
 
         "Polkadot" -> Junction.GlobalConsensus(NetworkId.Substrate(Chain.Geneses.POLKADOT))
         "Kusama" -> Junction.GlobalConsensus(NetworkId.Substrate(Chain.Geneses.KUSAMA))
-        "Westend" -> Junction.GlobalConsensus(NetworkId.Substrate(Chain.Geneses.WESTEND))
         "Ethereum" -> {
             val chainId = bindInt(asDictEnum.value.castToStruct()["chain_id"])
             Junction.GlobalConsensus(NetworkId.Ethereum(chainId))
@@ -189,7 +188,6 @@ private fun NetworkId.Substrate.toEncodableInstance(): Any {
     return when (genesisHash) {
         Chain.Geneses.POLKADOT -> DictEnum.Entry("Polkadot", null)
         Chain.Geneses.KUSAMA -> DictEnum.Entry("Kusama", null)
-        Chain.Geneses.WESTEND -> DictEnum.Entry("Westend", null)
         Chain.Ids.ETHEREUM -> DictEnum.Entry("Ethereum", null)
         else -> DictEnum.Entry("ByGenesis", genesisHash.fromHex())
     }

runtime/src/main/java/io/novafoundation/nova/runtime/ext/ChainExt.kt

@@ -461,9 +461,6 @@ object ChainGeneses {
     const val KUSAMA = "b0a8d493285c2df73290dfb7e61f870f17b41801197a149ca93654499ea3dafe"
     const val POLKADOT = "91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3"
 
-    // Westend constant now points to Zagros Testnet
-    const val WESTEND = "1b0b4727bbb5e44ed587d1056b4ad537ffb330034509a58866a088d77e792cd5"
-
     const val KUSAMA_ASSET_HUB = "48239ef607d7928874027a43a67689209727dfb3d3dc5e5b03a39bdc2eda771a"
 
     const val ACALA = "fc41b9bd8ef8fe53d58c7ea67c794c7ec9a73daf05e6d54b14ff6342c99ba64c"