fix travis.yml

License: MIT
Signed-off-by: Jeromy <why@ipfs.io>

.travis.yml

@@ -14,7 +14,6 @@ env:
   - TEST_NO_FUSE=1 TEST_VERBOSE=1 TEST_SUITE=test_sharness_expensive
 
 install:
-  - make toolkit_upgrade
   - make install
 
 script: