Reverted the Update of the year in Footer of ReadMe#316

jeevabala wants to merge 1 commit intoibm-developer-skills-network:mainibm-developer-skills-network/mcino-Introduction-to-Git-and-GitHub:mainfrom

jeevabala:bug-fix-typojeevabala/mcino-Introduction-to-Git-and-GitHub:bug-fix-typoCopy head branch name to clipboard