Delete unused .travis.yml

.travis.yml

@@ -1,24 +0,0 @@
-language: c
-
-before_install:
-  - sudo apt-get install python-protobuf
-  - sudo apt-get install linux-headers-$(uname -r)
-
-before_script:
-  - git clone https://github.com/01org/linux-sgx-driver.git -b sgx_driver_$ISGX_DRIVER_VERSION
-
-script:
-  - make
-  - cd $TRAVIS_BUILD_DIR/Pal/src && make clean && make SGX=1
-  - cd $TRAVIS_BUILD_DIR/Pal/src && make clean && make DEBUG=1
-  - cd $TRAVIS_BUILD_DIR/Pal/src && make clean && make SGX=1 DEBUG=1
-  - cd $TRAVIS_BUILD_DIR/Pal/src/host/Linux-SGX/sgx-driver && make
-
-
-matrix:
-  include:
-    - os: linux
-      dist: trusty
-      env:
-        - ISGX_DRIVER_PATH=$TRAVIS_BUILD_DIR/linux-sgx-driver
-        - ISGX_DRIVER_VERSION=1.9