Update yarn.lock

Author: abought

yarn.lock

@@ -1745,9 +1745,9 @@ ee-first@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
 
-ember-a11y-testing@0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/ember-a11y-testing/-/ember-a11y-testing-0.2.1.tgz#06d4123ca2f9de857dd41b5062142249bf9a178f"
+ember-a11y-testing@0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/ember-a11y-testing/-/ember-a11y-testing-0.4.0.tgz#47cf6e0ae48ae7bb2ca2bda571e9d4223aba3a8d"
   dependencies:
     axe-core "~2.1.7"
     broccoli-funnel "^1.1.0"
@@ -2416,14 +2416,6 @@ ember-try@^0.2.2:
     semver "^5.1.0"
     sync-exec "^0.6.2"
 
-ember-welcome-page@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/ember-welcome-page/-/ember-welcome-page-2.0.3.tgz#1a485f5e1c1115ca5946bf599bf72d8047db2043"
-  dependencies:
-    broccoli-funnel "^1.0.1"
-    ember-cli-babel "^5.1.6"
-    ember-cli-htmlbars "^1.0.3"
-
 ember-wormhole@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/ember-wormhole/-/ember-wormhole-0.4.1.tgz#55fafaad20a650d21f6583a0e59c060a65338111"