:construction_worker: fixed travis file
diff --git a/.travis.yml b/.travis.yml
index ef06dbf..22a9b67 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -291,11 +291,3 @@
   - cmake .. ${CMAKE_OPTIONS} -GNinja && cmake --build . --config Release
   - ctest -C Release -V -j
   - cd ..
-
-  # check if homebrew works (only checks develop branch)
-  - if [ `which brew` ]; then
-    brew update ;
-    brew tap nlohmann/json ;
-    #brew install nlohmann_json --HEAD ;
-    #brew test nlohmann_json ;
-    fi