databases/couchdb2: not supported upstream, use databases/couchdb3

Apache CouchDB v2 requires spidermonkey185 and python2.7 which are both EOL

Author: dch

MOVED

@@ -16273,3 +16273,5 @@ devel/buildtool||2021-04-07|Has expired: Unmaintained and dead upstream, does no
 misc/floatator||2021-04-07|Has expired: Unmaintained and dead upstream, does not build with -fno-common (llvm 11)
 finance/wmstock||2021-04-07|Has expired: Unmaintained and dead upstream, does not build with -fno-common (llvm 11)
 ftp/frox||2021-04-07|Has expired: Unmaintained and dead upstream, does not build with -fno-common (llvm 11)
+databases/couchdb2|databases/couchdb3|2021-04-07|No longer supported upstream, uses spidermonkey68 & python2; move to databases/couchdb3
+

databases/Makefile

@@ -38,7 +38,6 @@
     SUBDIR += cegobridge
     SUBDIR += clickhouse
     SUBDIR += cockroach
-    SUBDIR += couchdb2
     SUBDIR += couchdb3
     SUBDIR += courier-authlib-mysql
     SUBDIR += courier-authlib-pgsql