Removed the unused ptr_map serialization code.  (This was also unused in next before recent ptr_container removal changes.)
Removed the unused ptr_map serialization code.  (This was also unused in next before recent ptr_container removal changes.)

greyhwndz/rethinkdb,elkingtonmcb/rethinkdb,matthaywardwebdesign/rethinkdb,sebadiaz/rethinkdb,catroot/rethinkdb,ayumilong/rethinkdb,sbusso/rethinkdb,Qinusty/rethinkdb,jmptrader/rethinkdb,matthaywardwebdesign/rethinkdb,tempbottle/rethinkdb,jmptrader/rethinkdb,marshall007/rethinkdb,ajose01/rethinkdb,greyhwndz/rethinkdb,alash3al/rethinkdb,ayumilong/rethinkdb,catroot/rethinkdb,wojons/rethinkdb,mcanthony/rethinkdb,bchavez/rethinkdb,robertjpayne/rethinkdb,sontek/rethinkdb,captainpete/rethinkdb,elkingtonmcb/rethinkdb,Qinusty/rethinkdb,niieani/rethinkdb,jmptrader/rethinkdb,yaolinz/rethinkdb,4talesa/rethinkdb,tempbottle/rethinkdb,Qinusty/rethinkdb,pap/rethinkdb,eliangidoni/rethinkdb,jesseditson/rethinkdb,sbusso/rethinkdb,ayumilong/rethinkdb,jmptrader/rethinkdb,Wilbeibi/rethinkdb,bchavez/rethinkdb,sbusso/rethinkdb,matthaywardwebdesign/rethinkdb,wkennington/rethinkdb,wojons/rethinkdb,mbroadst/rethinkdb,matthaywardwebdesign/rethinkdb,scripni/rethinkdb,pap/rethinkdb,lenstr/rethinkdb,ajose01/rethinkdb,sebadiaz/rethinkdb,marshall007/rethinkdb,JackieXie168/rethinkdb,JackieXie168/rethinkdb,mbroadst/rethinkdb,niieani/rethinkdb,gavioto/rethinkdb,eliangidoni/rethinkdb,bchavez/rethinkdb,marshall007/rethinkdb,mbroadst/rethinkdb,4talesa/rethinkdb,sontek/rethinkdb,scripni/rethinkdb,AntouanK/rethinkdb,gavioto/rethinkdb,Wilbeibi/rethinkdb,4talesa/rethinkdb,urandu/rethinkdb,AntouanK/rethinkdb,yakovenkodenis/rethinkdb,niieani/rethinkdb,urandu/rethinkdb,dparnell/rethinkdb,wojons/rethinkdb,catroot/rethinkdb,sbusso/rethinkdb,lenstr/rethinkdb,niieani/rethinkdb,sebadiaz/rethinkdb,sontek/rethinkdb,sbusso/rethinkdb,catroot/rethinkdb,captainpete/rethinkdb,bchavez/rethinkdb,marshall007/rethinkdb,robertjpayne/rethinkdb,RubenKelevra/rethinkdb,gavioto/rethinkdb,victorbriz/rethinkdb,urandu/rethinkdb,marshall007/rethinkdb,captainpete/rethinkdb,RubenKelevra/rethinkdb,bpradipt/rethinkdb,urandu/rethinkdb,yaolinz/rethinkdb,yakovenkodenis/rethinkdb,urandu/rethinkdb,elkingtonmcb/rethinkdb,eliangidoni/rethinkdb,niieani/rethinkdb,mcanthony/rethinkdb,lenstr/rethinkdb,ajose01/rethinkdb,victorbriz/rethinkdb,RubenKelevra/rethinkdb,tempbottle/rethinkdb,eliangidoni/rethinkdb,robertjpayne/rethinkdb,AntouanK/rethinkdb,catroot/rethinkdb,mbroadst/rethinkdb,grandquista/rethinkdb,wkennington/rethinkdb,grandquista/rethinkdb,gdi2290/rethinkdb,catroot/rethinkdb,losywee/rethinkdb,gdi2290/rethinkdb,urandu/rethinkdb,JackieXie168/rethinkdb,marshall007/rethinkdb,wkennington/rethinkdb,bpradipt/rethinkdb,matthaywardwebdesign/rethinkdb,robertjpayne/rethinkdb,eliangidoni/rethinkdb,wkennington/rethinkdb,ayumilong/rethinkdb,spblightadv/rethinkdb,losywee/rethinkdb,Qinusty/rethinkdb,mquandalle/rethinkdb,wujf/rethinkdb,alash3al/rethinkdb,mcanthony/rethinkdb,wujf/rethinkdb,dparnell/rethinkdb,robertjpayne/rethinkdb,dparnell/rethinkdb,jmptrader/rethinkdb,eliangidoni/rethinkdb,rrampage/rethinkdb,yaolinz/rethinkdb,JackieXie168/rethinkdb,elkingtonmcb/rethinkdb,lenstr/rethinkdb,ajose01/rethinkdb,JackieXie168/rethinkdb,Wilbeibi/rethinkdb,Wilbeibi/rethinkdb,niieani/rethinkdb,mquandalle/rethinkdb,mquandalle/rethinkdb,ajose01/rethinkdb,tempbottle/rethinkdb,Wilbeibi/rethinkdb,greyhwndz/rethinkdb,catroot/rethinkdb,spblightadv/rethinkdb,eliangidoni/rethinkdb,rrampage/rethinkdb,wojons/rethinkdb,matthaywardwebdesign/rethinkdb,bpradipt/rethinkdb,wkennington/rethinkdb,pap/rethinkdb,losywee/rethinkdb,4talesa/rethinkdb,JackieXie168/rethinkdb,sebadiaz/rethinkdb,greyhwndz/rethinkdb,grandquista/rethinkdb,grandquista/rethinkdb,losywee/rethinkdb,Qinusty/rethinkdb,Qinusty/rethinkdb,bpradipt/rethinkdb,lenstr/rethinkdb,captainpete/rethinkdb,grandquista/rethinkdb,rrampage/rethinkdb,eliangidoni/rethinkdb,jesseditson/rethinkdb,grandquista/rethinkdb,grandquista/rethinkdb,4talesa/rethinkdb,bchavez/rethinkdb,wujf/rethinkdb,tempbottle/rethinkdb,mbroadst/rethinkdb,ajose01/rethinkdb,spblightadv/rethinkdb,sbusso/rethinkdb,lenstr/rethinkdb,marshall007/rethinkdb,gdi2290/rethinkdb,sbusso/rethinkdb,ayumilong/rethinkdb,rrampage/rethinkdb,matthaywardwebdesign/rethinkdb,robertjpayne/rethinkdb,losywee/rethinkdb,elkingtonmcb/rethinkdb,KSanthanam/rethinkdb,gavioto/rethinkdb,wkennington/rethinkdb,Wilbeibi/rethinkdb,sontek/rethinkdb,mcanthony/rethinkdb,alash3al/rethinkdb,wojons/rethinkdb,victorbriz/rethinkdb,pap/rethinkdb,sebadiaz/rethinkdb,pap/rethinkdb,dparnell/rethinkdb,urandu/rethinkdb,jesseditson/rethinkdb,spblightadv/rethinkdb,sontek/rethinkdb,captainpete/rethinkdb,victorbriz/rethinkdb,mquandalle/rethinkdb,JackieXie168/rethinkdb,grandquista/rethinkdb,sontek/rethinkdb,gavioto/rethinkdb,spblightadv/rethinkdb,wujf/rethinkdb,jmptrader/rethinkdb,marshall007/rethinkdb,jesseditson/rethinkdb,dparnell/rethinkdb,elkingtonmcb/rethinkdb,KSanthanam/rethinkdb,greyhwndz/rethinkdb,yaolinz/rethinkdb,wojons/rethinkdb,wojons/rethinkdb,JackieXie168/rethinkdb,yaolinz/rethinkdb,yakovenkodenis/rethinkdb,ayumilong/rethinkdb,ajose01/rethinkdb,pap/rethinkdb,pap/rethinkdb,gdi2290/rethinkdb,bpradipt/rethinkdb,RubenKelevra/rethinkdb,gavioto/rethinkdb,wujf/r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