Remove popover from security overview page (#2109)
Remove popover from security overview page (#2109)

*Motivation*

Currently website uses a customized plugin for popover. If you don't define the popover,
it will fail the build. It becomes a bit tricky to add popovers and link the popovers
with actual data.

*Changes*

Remove popover.
massakam/pulsar,merlimat/pulsar,merlimat/pulsar,nkurihar/pulsar,ArvinDevel/incubator-pulsar,ArvinDevel/incubator-pulsar,yahoo/pulsar,jai1/pulsar,nkurihar/pulsar,jai1/pulsar,massakam/pulsar,ArvinDevel/incubator-pulsar,merlimat/pulsar,nkurihar/pulsar,yahoo/pulsar,jai1/pulsar,ArvinDevel/incubator-pulsar,jai1/pulsar,jai1/pulsar,merlimat/pulsar,nkurihar/pulsar,merlimat/pulsar,jai1/pulsar,jai1/pulsar,jai1/pulsar,yahoo/pulsar,massakam/pulsar,yahoo/pulsar,yahoo/pulsar,massakam/pulsar,ArvinDevel/incubator-pulsar,jai1/pulsar,merlimat/pulsar,ArvinDevel/incubator-pulsar,ArvinDevel/incubator-pulsar,nkurihar/pulsar,nkurihar/pulsar,massakam/pulsar,nkurihar/pulsar,ArvinDevel/incubator-pulsar,massakam/pulsar,yahoo/pulsar,nkurihar/pulsar,nkurihar/pulsar