Remove the functions related to loading upcoming onelive events

[Piumal1999]

Is your feature request related to a problem? Please describe. Since the onelive program is discontinued, we can remove the functions associated with loading upcoming onelive event

Describe the solution you'd like Remove this function and its usages: https://github.com/sef-global/sef-site/blob/e7a5ae486c9398f3392b5348f636c2adabd53f3d/onelive/functions.js#L2 https://github.com/sef-global/sef-site/blob/e7a5ae486c9398f3392b5348f636c2adabd53f3d/onelive/index.html#L351

Remove this upcoming-events template as well: https://github.com/sef-global/sef-site/blob/e7a5ae486c9398f3392b5348f636c2adabd53f3d/onelive/index.html#L331

Describe alternatives you've considered N/A

Additional context N/A

Are you working on it? No

[Piumal1999]

Sure, assigned @chirandevinda