Removing master-only in CI configs because it seems to be mutually exclusve with tag-only deploy.

Author: cboulay

.appveyor.yml

@@ -2,9 +2,6 @@ version: 1.13.{build}
 pull_requests:
   do_not_increment_build_number: true
 shallow_clone: true
-branches:
-  only:
-  - master
 environment:
   CMakeArgs: ""
   matrix:

.travis.yml

@@ -1,9 +1,6 @@
 language: cpp
 env:
   CMakeArgs=""
-branches:
-  only: 
-    - master
 # https://docs.travis-ci.com/user/reference/osx/#macos-version
 matrix:
   include: