stack: update ghc 8.2.1 config

stack8.2.1.yaml

@@ -1,30 +1,14 @@
 # stack build plan using GHC 8.2.1
 # keep synced with download.md ?
 
-resolver: nightly-2017-08-01
+resolver: nightly-2017-09-05
 
 extra-deps:
-- brick-0.24.1
-- text-zipper-0.10
-- data-clist-0.1.2.0
-- word-wrap-0.4.1
-
-- wai-handler-launch-3.0.2.2 # TODO waiting on https://github.com/yesodweb/wai/pull/645
-- yesod-1.4.5
-- yesod-form-1.4.15
-- yesod-static-1.5.3.1
-- email-validate-2.3.1
-- yesod-persistent-1.4.2
-
-- servant-server-0.11
-- servant-swagger-1.1.3.1
-- swagger2-2.1.4.1
-- http-media-0.7.1.1
-- servant-0.11
+- wai-handler-launch-3.0.2.3
 
 packages:
 - hledger-lib
 - hledger
 - hledger-ui
-#- hledger-web
+- hledger-web
 - hledger-api