removed gallery template from core
removed gallery template from core

devinit/datawrapper,grepman/datawrapper,motherjones/datawrapper,plusgut/datawrapper,robmcloughlin/Insights,qqming113/datawrapper,ThuyNTran/datawrapper,plusgut/datawrapper,ThuyNTran/datawrapper,datafunk/datawrapper,kendrick-k/datawrapper,qqming113/datawrapper,robmcloughlin/Insights,ThuyNTran/datawrapper,datafunk/datawrapper,datafunk/datawrapper,kendrick-k/datawrapper,motherjones/datawrapper,qqming113/datawrapper,elaOnMars/datawrapper,washingtonpost/datawrapper,ThuyNTran/datawrapper,plusgut/datawrapper,washingtonpost/datawrapper,rubensfernando/datawrapper,rubensfernando/datawrapper,devinit/datawrapper,robmcloughlin/Insights,datafunk/datawrapper,qqming113/datawrapper,ThuyNTran/datawrapper,rubensfernando/datawrapper,devinit/datawrapper,motherjones/datawrapper,motherjones/datawrapper,elaOnMars/datawrapper,washingtonpost/datawrapper,washingtonpost/datawrapper,grepman/datawrapper,kendrick-k/datawrapper,devinit/datawrapper,washingtonpost/datawrapper,elaOnMars/datawrapper,devinit/datawrapper,devinit/datawrapper,rubensfernando/datawrapper,qqming113/datawrapper,datafunk/datawrapper,motherjones/datawrapper,elaOnMars/datawrapper,elaOnMars/datawrapper,kendrick-k/datawrapper,qqming113/datawrapper,grepman/datawrapper,kendrick-k/datawrapper,plusgut/datawrapper,ThuyNTran/datawrapper,robmcloughlin/Insights,rubensfernando/datawrapper,datafunk/datawrapper,kendrick-k/datawrapper,grepman/datawrapper,elaOnMars/datawrapper,washingtonpost/datawrapper,robmcloughlin/Insights,grepman/datawrapper,motherjones/datawrapper,grepman/datawrapper