fix build-tools name

Author: ladyada

.travis.yml

@@ -21,7 +21,7 @@ deploy:
  secure: 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
 install:
 - pip install -r requirements.txt
-- pip install pylint circuitpython-travis-build-tools Sphinx sphinx-rtd-theme
+- pip install pylint circuitpython-build-tools Sphinx sphinx-rtd-theme
 script:
 - pylint adafruit_bme280.py
 - ([[ ! -d "examples" ]] || pylint --disable=missing-docstring,invalid-name examples/*.py)