drop preload constants.

lib/bcoin/chain.js

@@ -1,5 +1,5 @@
 /**
- * fullchain.js - fullnode blockchain management for bcoin
+ * chain.js - blockchain management for bcoin
  * Copyright (c) 2014-2015, Fedor Indutny (MIT License)
  * https://github.com/indutny/bcoin
  */

lib/bcoin/protocol/network.js

@@ -106,31 +106,6 @@ main.genesis = {
 
 main.magic = 0xd9b4bef9;
 
-main.preload = {
-  v: 2,
-  type: 'chain',
-  network: main.type,
-  entries: [
-    {
-      hash: main.genesis.hash,
-      version: main.genesis.version,
-      prevBlock: main.genesis.prevBlock,
-      ts: main.genesis.ts,
-      bits: main.genesis.bits,
-      height: 0
-    }
-  ]
-};
-
-try {
-  main._preload = require('./preload');
-  utils.assert(main._preload.entries[0]);
-  main.preload = main._preload;
-  delete main._preload;
-} catch (e) {
-  delete main._preload;
-}
-
 main.powLimit = new bn(
   '00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
   'hex'
@@ -220,31 +195,6 @@ testnet.genesis =  {
 
 testnet.magic = 0x0709110b;
 
-testnet.preload = {
-  v: 2,
-  type: 'chain',
-  network: testnet.type,
-  entries: [
-    {
-      hash: testnet.genesis.hash,
-      version: testnet.genesis.version,
-      prevBlock: testnet.genesis.prevBlock,
-      ts: testnet.genesis.ts,
-      bits: testnet.genesis.bits,
-      height: 0
-    }
-  ]
-};
-
-try {
-  testnet._preload = require('./preload-test');
-  utils.assert(testnet._preload.entries[0]);
-  testnet.preload = testnet._preload;
-  delete testnet._preload;
-} catch (e) {
-  delete testnet._preload;
-}
-
 testnet.powLimit = new bn(
   '00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
   'hex'
@@ -316,31 +266,6 @@ regtest.genesis =  {
 
 regtest.magic = 0xdab5bffa;
 
-regtest.preload = {
-  v: 2,
-  type: 'chain',
-  network: regtest.type,
-  entries: [
-    {
-      hash: regtest.genesis.hash,
-      version: regtest.genesis.version,
-      prevBlock: regtest.genesis.prevBlock,
-      ts: regtest.genesis.ts,
-      bits: regtest.genesis.bits,
-      height: 0
-    }
-  ]
-};
-
-try {
-  regtest._preload = require('./preload-regtest');
-  utils.assert(regtest._preload.entries[0]);
-  regtest.preload = regtest._preload;
-  delete regtest._preload;
-} catch (e) {
-  delete regtest._preload;
-}
-
 regtest.powLimit = new bn(
   '7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
   'hex'