CI: travis: remove test on iOS target

Author: e-marchand

.travis.yml

@@ -10,7 +10,7 @@ env:
     - IOS_SDK=iphonesimulator11.0
     - MACOS_SDK=macosx10.13
   matrix:
-    - DESTINATION="OS=11.0,name=iPhone 8" SCHEME="$IOS_FRAMEWORK_SCHEME" SDK="$IOS_SDK" RUN_TESTS="YES"
+    - DESTINATION="OS=11.0,name=iPhone 8" SCHEME="$IOS_FRAMEWORK_SCHEME" SDK="$IOS_SDK" RUN_TESTS="NO"
     - DESTINATION="arch=x86_64" SCHEME="$MACOS_FRAMEWORK_SCHEME" SDK=macosx10.13 RUN_TESTS="NO"
 before_install:
   - gem install xcpretty --no-rdoc --no-ri --no-document --quiet