Delete obsolete files and update LICENSE file

test/fixtures/requests/index.js

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+'use strict';
+
+module.exports = {
+  prepareOrder: {
+    buy: require('./prepare-order'),
+    sell: require('./prepare-order-sell'),
+    expiration: require('./prepare-order-expiration')
+  },
+  preparePayment: require('./prepare-payment'),
+  preparePaymentAllOptions: require('./prepare-payment-all-options'),
+  preparePaymentNoCounterparty: require('./prepare-payment-no-counterparty'),
+  prepareSettings: require('./prepare-settings'),
+  prepareSuspendedPaymentCreation:
+    require('./prepare-suspended-payment-creation'),
+  prepareSuspendedPaymentExecution:
+    require('./prepare-suspended-payment-execution'),
+  prepareSuspendedPaymentCancellation:
+    require('./prepare-suspended-payment-cancellation'),
+  prepareTrustline: {
+    simple: require('./prepare-trustline-simple'),
+    complex: require('./prepare-trustline')
+  },
+  sign: require('./sign'),
+  getPaths: {
+    normal: require('./getpaths/normal'),
+    UsdToUsd: require('./getpaths/usd2usd'),
+    XrpToXrp: require('./getpaths/xrp2xrp'),
+    XrpToXrpNotEnough: require('./getpaths/xrp2xrp-not-enough'),
+    NotAcceptCurrency: require('./getpaths/not-accept-currency'),
+    NoPaths: require('./getpaths/no-paths'),
+    NoPathsWithCurrencies: require('./getpaths/no-paths-with-currencies'),
+    sendAll: require('./getpaths/send-all')
+  },
+  computeLedgerHash: {
+    header: require('./compute-ledger-hash'),
+    transactions: require('./compute-ledger-hash-transactions')
+  }
+};