Merge pull request #759 from ljmf00/fix-ci

Update LDC version on release job

Author: wilzbach

.travis.yml

@@ -12,13 +12,9 @@ matrix:
   allow_failures:
     - d: dmd-nightly
   include:
-    - d: ldc-1.22.0
+    - d: ldc-1.23.0
       env: TOUR_DEPLOY=1
 
-
-cache:
-  - $HOME/.dub
-
 branches:
   only:
     - master