Corrected languages.php for issue-5320
Synched with joomla:staging
Synched with joomla:staging
Changed @since tag from 3.4.0 to 3.4
Corrected spelling error / typo in variable name
Merge pull request #5327 from richard67/issue-5320

Unwanted "Weblinks Extension Package" displaying in the Install Languages Manager
Taking off phpmailer sys.ini as no more in core
code style