remove unused code

src/main/scala/com/chain33/util/Chain33.scala

-package com.chain33.util
-
-trait Chain33 {
-  def Build(): Unit
-}

src/main/scala/com/chain33/util/ChainUtils.scala

@@ -4,59 +4,10 @@ import java.math.BigInteger
 import java.util.Random
 
 object ChainUtils {
-  private var version       = 2
-  private var chainId       = BigInteger.valueOf(1L)
-  private var currentHeight = new BigInteger("0")
-  val ABI_ADDRESS           = "ffffffffffffffffffffffffffffffffff010001"
-  private val RANDOM        = new Random
-
-  def initChainDatas(chain_version: Int, chain_id: BigInteger): Unit = {
-    version = chain_version
-    chainId = chain_id
-  }
-
-  def getVersion: Int = version
-
+  private val version        = 2
+  private val chainId        = BigInteger.valueOf(1L)
+  private val RANDOM         = new Random
+  def getVersion: Int        = version
   def getChainId: BigInteger = chainId
-
-  def getNonce: String = System.nanoTime + String.valueOf(RANDOM.nextInt(100000) + 900000)
-
-  def getCurrentHeight(service: Chain33): BigInteger = getCurrentHeight(service, 3)
-
-  def setCurrentHeight(height: BigInteger): Unit = {
-    currentHeight = height
-  }
-
-  def getCurrentHeight: BigInteger = currentHeight
-
-  private def getCurrentHeight(service: Chain33, retry: Int) = {
-    var count  = 0
-    var height = 0L
-    height = -1L
-    while (count < retry) {
-//      try height = service.appBlockNumber.send.getBlockNumber.longValue//TODO
-      try height = 0 // TODO
-      catch {
-        case var8: Exception =>
-          height = -1L
-          println("getBlockNumber failed retry ..")
-          try Thread.sleep(2000L)
-          catch {
-            case var7: Exception =>
-              println("failed to get block number, Exception: $var7")
-          }
-      }
-      count += 1
-    }
-    if (height == -1L) {
-      println(s"Failed to get block number after $count  times")
-    }
-    BigInteger.valueOf(height)
-  }
-
-  def getValidUtilBlock(validUntilBlock: Int): BigInteger =
-    getCurrentHeight.add(BigInteger.valueOf(validUntilBlock))
-
-  def getValidUtilBlock(service: Chain33, validUntilBlock: Int): BigInteger =
-    getCurrentHeight(service).add(BigInteger.valueOf(validUntilBlock))
+  def getNonce: String       = System.nanoTime + String.valueOf(RANDOM.nextInt(100000) + 900000)
 }