TST: The brew option --c++11 doesn't seem to be supported anymore on Travis-CI

Author: mgeier

ci/install-deps.sh

@@ -3,7 +3,7 @@
 set -euo pipefail
 
 if [ "$TRAVIS_OS_NAME" == "osx" ]; then
-  brew install --c++11 \
+  brew install \
     asio \
     autoconf \
     ecasound \