Remove additional jQuery include
Remove additional jQuery include

jQuery already available across the whole site at the top level, so
no need to include it again specifically for the chat widget.

jbassen/edx-platform,jbassen/edx-platform,Stanford-Online/edx-platform,caesar2164/edx-platform,Stanford-Online/edx-platform,jbassen/edx-platform,Stanford-Online/edx-platform,jbassen/edx-platform,caesar2164/edx-platform,caesar2164/edx-platform,jbassen/edx-platform,caesar2164/edx-platform,Stanford-Online/edx-platform