Roll Observatory packages and add a roll script

intl/lib/src/data/dates/symbols/da.json

Index: intl/lib/src/data/dates/symbols/da.json
diff --git a/intl/lib/src/data/dates/symbols/da.json b/intl/lib/src/data/dates/symbols/da.json
deleted file mode 100644
index 80111c31f800a01536030892e50f6e07e88ad706..0000000000000000000000000000000000000000
--- a/intl/lib/src/data/dates/symbols/da.json
+++ /dev/null
@@ -1 +0,0 @@
-{"NAME":"da","ERAS":["f.Kr.","e.Kr."],"ERANAMES":["f.Kr.","e.Kr."],"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":["januar","februar","marts","april","maj","juni","juli","august","september","oktober","november","december"],"STANDALONEMONTHS":["januar","februar","marts","april","maj","juni","juli","august","september","oktober","november","december"],"SHORTMONTHS":["jan.","feb.","mar.","apr.","maj","jun.","jul.","aug.","sep.","okt.","nov.","dec."],"STANDALONESHORTMONTHS":["jan","feb","mar","apr","maj","jun","jul","aug","sep","okt","nov","dec"],"WEEKDAYS":["søndag","mandag","tirsdag","onsdag","torsdag","fredag","lørdag"],"STANDALONEWEEKDAYS":["søndag","mandag","tirsdag","onsdag","torsdag","fredag","lørdag"],"SHORTWEEKDAYS":["søn.","man.","tir.","ons.","tor.","fre.","lør."],"STANDALONESHORTWEEKDAYS":["søn","man","tir","ons","tor","fre","lør"],"NARROWWEEKDAYS":["S","M","T","O","T","F","L"],"STANDALONENARROWWEEKDAYS":["S","M","T","O","T","F","L"],"SHORTQUARTERS":["K1","K2","K3","K4"],"QUARTERS":["1. kvartal","2. kvartal","3. kvartal","4. kvartal"],"AMPMS":["AM","PM"],"DATEFORMATS":["EEEE 'den' d. MMMM y","d. MMM y","dd/MM/y","dd/MM/yy"],"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} 'kl.' {0}","{1} 'kl.' {0}","{1} {0}","{1} {0}"]}