Remove redundant submodule update (#302)

jayvdb · jgraham · commit ea0fafdbff73 · 2016-09-15T22:34:00.000+01:00
Travis CI automatically updates submodules during initialisation.
diff --git a/.travis.yml b/.travis.yml
@@ -17,9 +17,6 @@ env:
   - USE_OPTIONAL=true
   - USE_OPTIONAL=false
 
-before_install:
-  - git submodule update --init --recursive
-
 install:
   - bash requirements-install.sh
 
