gh-sc is a chrome web browser extension that Cancels all but the last SC automatically

• clone or download this repo to your machine
• unzip as the folder gh-sc-master
• open up your Google chrome browser and type chrome://extensions/ at Address bar
  • or go to Chrome Settings > Extensions
• check/select the Developer Mode checkbox on top
• then click Load unpacked extension and browse file system and the select gh-sc-master folder recently unzipped

• just visit chrome://extensions/ and remove it