[network] Removed certain assertions from network.cc
[network] Removed certain assertions from network.cc

victorisildur/Graphite,victorisildur/Graphite,fhijaz/Graphite,nkawahara/Graphite,mit-carbon/Graphite,fhijaz/Graphite,mit-carbon/Graphite,mit-carbon/Graphite-Cycle-Level,8l/Graphite,mit-carbon/Graphite,8l/Graphite,mit-carbon/Graphite-Cycle-Level,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,mit-carbon/Graphite,nkawahara/Graphite,mit-carbon/Graphite-Cycle-Level,victorisildur/Graphite,victorisildur/Graphite,fhijaz/Graphite,8l/Graphite,8l/Graphite,fhijaz/Graphite,nkawahara/Graphite