Revert "Implement pusher_pong."
Revert "Implement pusher_pong."

This reverts commit b947efa1ed473ca1e67d22f79d5e459e88e24f4b.

shaicoleman/slanger,stevegraham/slanger,stevegraham/slanger,amvse/slanger,amvse/slanger,ambrish123456/testSlanger,jiren/slanger,carlos-ramos-mojix-com/slanger,markburns/slanger,loggator/slanger,ambrish123456/testSlanger,markburns/slanger,carlos-ramos-mojix-com/slanger,daande/slanger,daande/slanger,shaicoleman/slanger,loggator/slanger,notnoopci/slanger,jiren/slanger,notnoopci/slanger