Pull args, intl, logging, shelf, and source_maps out of the SDK.

pkg/intl/lib/src/data/dates/symbols/en_GB.json

Index: pkg/intl/lib/src/data/dates/symbols/en_GB.json
diff --git a/pkg/intl/lib/src/data/dates/symbols/en_GB.json b/pkg/intl/lib/src/data/dates/symbols/en_GB.json
deleted file mode 100644
index df0751287231f996ca961effd7402b9f843c3676..0000000000000000000000000000000000000000
--- a/pkg/intl/lib/src/data/dates/symbols/en_GB.json
+++ /dev/null
@@ -1 +0,0 @@
-{"NAME":"en_GB","ERAS":["BC","AD"],"ERANAMES":["Before Christ","Anno Domini"],"NARROWMONTHS":["J","F","M","A","M","J","J","A","S","O","N","D"],"STANDALONENARROWMONTHS":["J","F","M","A","M","J","J","A","S","O","N","D"],"MONTHS":["January","February","March","April","May","June","July","August","September","October","November","December"],"STANDALONEMONTHS":["January","February","March","April","May","June","July","August","September","October","November","December"],"SHORTMONTHS":["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],"STANDALONESHORTMONTHS":["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],"WEEKDAYS":["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],"STANDALONEWEEKDAYS":["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"],"SHORTWEEKDAYS":["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],"STANDALONESHORTWEEKDAYS":["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],"NARROWWEEKDAYS":["S","M","T","W","T","F","S"],"STANDALONENARROWWEEKDAYS":["S","M","T","W","T","F","S"],"SHORTQUARTERS":["Q1","Q2","Q3","Q4"],"QUARTERS":["1st quarter","2nd quarter","3rd quarter","4th quarter"],"AMPMS":["am","pm"],"DATEFORMATS":["EEEE, d MMMM y","d MMMM y","d MMM y","dd/MM/y"],"TIMEFORMATS":["HH:mm:ss zzzz","HH:mm:ss z","HH:mm:ss","HH:mm"],"AVAILABLEFORMATS":null,"FIRSTDAYOFWEEK":0,"WEEKENDRANGE":[5,6],"FIRSTWEEKCUTOFFDAY":3,"DATETIMEFORMATS":["{1} {0}","{1} {0}","{1} {0}","{1} {0}"]}