Removed install in build and rely on Travis yml.

Author: merbla

build.sh

@@ -1,16 +1,5 @@
 #!/bin/bash
-
 set -e 
-
-export DOTNET_INSTALL_DIR="$PWD/.dotnetcli"
-DotnetCliVersion=${CLI_VERSION:="1.0.1"}
-install_script_url=https://raw.githubusercontent.com/dotnet/cli/rel/1.0.0/scripts/obtain/dotnet-install.sh
-curl -sSL $install_script_url | bash /dev/stdin --version "$DotnetCliVersion" --install-dir "$DOTNET_INSTALL_DIR"
-export PATH="$DOTNET_INSTALL_DIR:$PATH"
-
-# See issue https://github.com/NuGet/Home/issues/2163
-ulimit -n 2048
-
 dotnet --info
 dotnet restore