Removed ethergraphs option as a block explorer - project is now dead

Author: 409H

options.html

@@ -78,7 +78,6 @@ <h4 class="text-center">EtherAddressLookup</h4>
                         <option value="https://etherscan.io/address">Etherscan.io *</option>
                         <option value="https://etherchain.org/account">Etherchain.org *</option>
                         <option value="https://ethplorer.io/address">Ethplorer.io</option>
-                        <option value="http://ethergraphs.com/dashboard">Ethergraphs.com</option>
                     </optgroup>
                     <optgroup label="Rinkeby">
                         <option value="https://rinkeby.etherscan.io/address">Etherscan.io *</option>