Drop 32-bit OSX tests

Most of us are dropping 32-bit OSX these days.

Author: matthew-brett

.travis.yml

@@ -50,14 +50,10 @@ matrix:
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.5
-        - NP_BUILD_DEP="1.9.3"
-        - NP_TEST_DEP="1.9.3"
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.5
         - PLAT=i686
-        - NP_BUILD_DEP="1.9.3"
-        - NP_TEST_DEP="1.9.3"
     - os: linux
       env:
         - MB_PYTHON_VERSION=3.6

config.sh

@@ -15,7 +15,4 @@ function run_tests {
     # Runs tests on installed distribution from an empty directory
     cp ../netcdf4-python/test/* .
     python run_all.py
-    if [ -n "$IS_OSX" ]; then
-        arch -i386 python run_all.py
-    fi
 }