Revert token name change

Author: krebernisak

CHANGELOG.md

@@ -14,7 +14,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ### Changed
 
 - Migrated to Hardhat and Waffle
-- Changed LinkToken v0.6 name from 'ChainLink Token' to 'Chainlink Token'
 
 ### Fixed
 

contracts-flat/v0.6/LinkToken.sol

@@ -819,7 +819,7 @@ pragma solidity >0.6.0 <0.8.0;
 /// @dev LinkToken, an ERC20/ERC677 Chainlink token with 1 billion supply
 contract LinkToken is ITypeAndVersion, LinkERC20, ERC677 {
   uint private constant TOTAL_SUPPLY = 10**27;
-  string private constant NAME = 'Chainlink Token';
+  string private constant NAME = 'ChainLink Token';
   string private constant SYMBOL = 'LINK';
 
   constructor()

contracts-flat/v0.7/LinkTokenChild.sol

@@ -1101,7 +1101,7 @@ pragma solidity >0.6.0 <0.8.0;
 /// @dev LinkToken, an ERC20/ERC677 Chainlink token with 1 billion supply
 contract LinkToken is ITypeAndVersion, LinkERC20, ERC677 {
   uint private constant TOTAL_SUPPLY = 10**27;
-  string private constant NAME = 'Chainlink Token';
+  string private constant NAME = 'ChainLink Token';
   string private constant SYMBOL = 'LINK';
 
   constructor()

contracts/v0.6/LinkToken.sol

@@ -8,7 +8,7 @@ import "./ITypeAndVersion.sol";
 /// @dev LinkToken, an ERC20/ERC677 Chainlink token with 1 billion supply
 contract LinkToken is ITypeAndVersion, LinkERC20, ERC677 {
   uint private constant TOTAL_SUPPLY = 10**27;
-  string private constant NAME = 'Chainlink Token';
+  string private constant NAME = 'ChainLink Token';
   string private constant SYMBOL = 'LINK';
 
   constructor()