Remove dependency installation file for travis builds. We're installing dependencies via the APT addon now.
diff --git a/script/install-deps-linux.sh b/script/install-deps-linux.sh
deleted file mode 100755
index 347922b..0000000
--- a/script/install-deps-linux.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-
-set -x
-
-sudo apt-get -qq update &&
-sudo apt-get -qq install cmake libssh2-1-dev openssh-client openssh-server