Roll Observatory packages and add a roll script

intl/lib/src/data/dates/patterns/zh_HK.json

Index: intl/lib/src/data/dates/patterns/zh_HK.json
diff --git a/intl/lib/src/data/dates/patterns/zh_HK.json b/intl/lib/src/data/dates/patterns/zh_HK.json
deleted file mode 100644
index 54c66f73f8f5e2c14307180fc4cf3bc4f9dc89d8..0000000000000000000000000000000000000000
--- a/intl/lib/src/data/dates/patterns/zh_HK.json
+++ /dev/null
@@ -1 +0,0 @@
-{"d":"d日","E":"EEE","EEEE":"EEEE","LLL":"LLL","LLLL":"LLLL","M":"M月","Md":"d/M","MEd":"EEE, d/M","MMM":"LLL","MMMd":"M月d日","MMMEd":"M月d日 (EEE)","MMMM":"LLLL","MMMMd":"M月d日","MMMMEEEEd":"M月d日 (EEEE)","QQQ":"QQQ","QQQQ":"QQQQ","y":"y年","yM":"M/y","yMd":"d/M/y","yMEd":"d/M/y（EEE）","yMMM":"y 年 M 月","yMMMd":"y 年 M 月 d 日","yMMMEd":"y 年 M 月 d 日 (EEE)","yMMMM":"y 年 M 月","yMMMMd":"y 年 M 月 d 日","yMMMMEEEEd":"y 年 M 月 d 日 (EEEE)","yQQQ":"y年QQQ","yQQQQ":"y年QQQQ","H":"H時","Hm":"HH:mm","Hms":"HH:mm:ss","j":"ah時","jm":"ah:mm","jms":"ah:mm:ss","jmv":"ah:mm v","jmz":"ah:mm z","jz":"ah時 z","m":"m","ms":"mm:ss","s":"s","v":"v","z":"z","zzzz":"zzzz","ZZZZ":"ZZZZ"}