Remove "Copy Contract Address" from token options

app/_locales/en/messages.json

@@ -200,9 +200,6 @@
   "copy": {
     "message": "Copy"
   },
-  "copyContractAddress": {
-    "message": "Copy Contract Address"
-  },
   "copyAddress": {
     "message": "Copy address to clipboard"
   },

app/_locales/ht/messages.json

@@ -185,9 +185,6 @@
     "copy": {
         "message": "Kopye"
     },
-    "copyContractAddress": {
-        "message": "Kopi Kontra Adrès"
-    },
     "copyAddress": {
         "message": "Kopi adrès clipboard"
     },

app/_locales/ja/messages.json

@@ -16,7 +16,7 @@
   },
   "addCustomToken": {
     "message": "カスタムトークンを追加"
-  },  
+  },
   "addToken": {
     "message": "トークンを追加"
   },
@@ -122,9 +122,6 @@
   "copy": {
     "message": "コピー"
   },
-  "copyContractAddress": {
-    "message": "コントラクトアドレスをコピー"
-  },
   "copyToClipboard": {
     "message": "クリップボードへコピー"
   },
@@ -164,7 +161,7 @@
   },
   "decimal": {
     "message": "小数点桁数"
-  }, 
+  },
   "defaultNetwork": {
     "message": "デフォルトのEther送受信ネットワークはメインネットです。"
   },

app/_locales/ko/messages.json

@@ -146,9 +146,6 @@
   "copy": {
     "message": "복사"
   },
-  "copyContractAddress": {
-    "message": "컨트랙트 주소 복사"
-  },
   "copyToClipboard": {
     "message": "클립보드로 복사"
   },

ui/app/components/dropdowns/token-menu-dropdown.js

@@ -5,7 +5,6 @@ const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
 const genAccountLink = require('etherscan-link').createAccountLink
-const copyToClipboard = require('copy-to-clipboard')
 const { Menu, Item, CloseArea } = require('./components/menu')
 
 TokenMenuDropdown.contextTypes = {
@@ -56,14 +55,6 @@ TokenMenuDropdown.prototype.render = function () {
       },
       text: this.context.t('hideToken'),
     }),
-    h(Item, {
-      onClick: (e) => {
-        e.stopPropagation()
-        copyToClipboard(this.props.token.address)
-        this.props.onClose()
-      },
-      text: this.context.t('copyContractAddress'),
-    }),
     h(Item, {
       onClick: (e) => {
         e.stopPropagation()