Back out tachanun and move to @hebcal/holidays

Author: mjradwin

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@hebcal/hdate",
-  "version": "0.9.4",
+  "version": "0.9.5",
   "description": "converts between Hebrew and Gregorian dates using Rata Die (R.D.) algorithm by Dershowitz and Reingold",
   "author": "Michael J. Radwin (https://github.com/mjradwin)",
   "contributors": [

package.json

@@ -4,4 +4,3 @@ export * from './anniversary';
 export * from './gematriya';
 export * from './omer';
 export * from './molad';
-export * from './tachanun';