Small cleanups for appveyor and travis

Author: charris

.appveyor.yml

@@ -16,7 +16,7 @@ environment:
       OPENBLAS_64: "https://3f23b170c54c2533c070-1c8a9b3114517dc5fe17b7c3f8c63a43.ssl.cf2.rackcdn.com/openblas-v0.3.0-win_amd64-gcc_7_1_0.zip"
       OPENBLAS_32_SHA256: 4d8ebb7deb23e9aa39837087a8e41ac4cc0c0e44fa60861e1568e974bdbd7be6
       OPENBLAS_64_SHA256: e1bea2d94fe1c54c3cd1da62440a7975826427bc2dd55e67d064059632ddf323
-      CYTHON_BUILD_DEP: Cython==0.26.1
+      CYTHON_BUILD_DEP: Cython
       TEST_MODE: fast
       APPVEYOR_SAVE_CACHE_ON_ERROR: true
       APPVEYOR_SKIP_FINALIZE_ON_EXIT: true
@@ -31,12 +31,10 @@ environment:
     - PYTHON: C:\Python37
       PYTHON_VERSION: 3.7
       PYTHON_ARCH: 32
-      CYTHON_BUILD_DEP: Cython
 
     - PYTHON: C:\Python37-x64
       PYTHON_VERSION: 3.7
       PYTHON_ARCH: 64
-      CYTHON_BUILD_DEP: Cython
 
     - PYTHON: C:\Python36
       PYTHON_VERSION: 3.6

.travis.yml

@@ -71,11 +71,9 @@ matrix:
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.7
-        - BUILD_DEPENDS="Cython"
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.7
-        - BUILD_DEPENDS="Cython"
         - PLAT=i686
     - os: osx
       language: generic
@@ -97,7 +95,6 @@ matrix:
       language: generic
       env:
         - MB_PYTHON_VERSION=3.7
-        - BUILD_DEPENDS="Cython"
 
 before_install:
     - if [ "$TRAVIS_BRANCH" == "master" ]; then