Don't build a custom openssl on OSX

I don't believe the bugfix the required this is needed anymore

.travis.yml

@@ -6,10 +6,8 @@ rust:
 os:
 - osx
 - linux
-before_install:
-- (test $TRAVIS_OS_NAME == "osx" || ./openssl/test/build.sh)
 before_script:
 - ./openssl/test/test.sh
 script:
-- (cd openssl && LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH cargo test)
+- (cd openssl && cargo test)
 - (test $TRAVIS_OS_NAME == "osx" || (cd openssl && LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH cargo test --features "$FEATURES"))

openssl/test/build.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-set -e
-
-mkdir /tmp/openssl
-cd /tmp/openssl
-sudo apt-get install gcc make
-curl https://openssl.org/source/openssl-1.0.2-latest.tar.gz | tar --strip-components=1 -xzf -
-./config --prefix=/usr/ shared
-make
-sudo make install