Remove 'JSON serialization' from quickstart
Remove 'JSON serialization' from quickstart

The feature isn't well-supported. May be deprecated in the future?

jonmcoe/TextBlob,adelq/TextBlob,Windy-Ground/TextBlob,jcalbert/TextBlob,dipeshtech/TextBlob,nvoron23/TextBlob,laugustyniak/TextBlob,beni55/TextBlob,freakynit/TextBlob,sloria/TextBlob,sargam111/python,IrisSteenhout/TextBlob