remove secure keys

Author: Dane Springmeyer

.travis.yml

@@ -23,9 +23,6 @@ env:
    - NODE_VERSION="5"
    - NODE_VERSION="6"
    - NODE_VERSION="7"
-  global:
-   - secure: nxPEbegqL+ckZ03BvGJSOlfcNuoJvj+rkLbBmmOEuTrk79lvY0+gjpmvWu4gGXMt89Vz+iAJB29ERaUdriKzlmYmebhWEdwQ/aayUv2sNA0eduvr4TALW2iLfLqryeE4449xnuEvz469AVWxO8xoX9KgmrwTLnkMR9SbQHxB6jU=
-   - secure: Fs0ilCVBL0DUMkd5vzLGL/5K364kLj1LpSKzwZpPvlU6Gx2jW+Zt59RfM1yOTCvrPWWNb+jc8jz8lbbPXAgUnYNmL54WkIjapr8yPIClw6AtNOSuPtL+zGVGT7FZEO7EntNuEtTer6Wj8IuWUT7myeAezKzNogYg7HyaO4JsoJc=
 
 before_install:
 - if [[ $(uname -s) == 'Linux' ]]; then