scripts,Makefile: nuke check-go-version

Fixes #1291

Signed-off-by: Stephan Renatus <srenatus@chef.io>

scripts/check-go-version

@@ -1,33 +0,0 @@
-#!/bin/bash
-
-set -e
-
-VERSION=$( go version )
-
-# For development versions of Go, these will be empty.
-MAJOR_GOVERSION=$( echo -n "$VERSION" | grep -o 'go1\.[0-9]*' || true )
-FULL_GOVERSION=$( echo -n "$VERSION" | grep -o 'go1\.[0-9|\.]*' || true )
-
-# The list of unsupported major go versions.
-UNSUPPORTED=( "go1.0" "go1.1" "go1.2" "go1.3" "go1.4" "go1.5" "go1.6" "go1.7" )
-
-# Minor go versions which have known security vulnerabilities. Refuse to build with these.
-#
-# There aren't any security issues that impact dex in current Go versions but minor versions
-# should be added here later if they do have issues.
-KNOWN_INSECURE=( )
-
-for V in "${UNSUPPORTED[@]}"; do
-    if [ "$V" = "$MAJOR_GOVERSION" ]; then
-        >&2 echo "ERROR: dex requires Go version 1.8+. Please update your Go installation: https://golang.org/dl/"
-        exit 2
-    fi
-done
-
-for V in "${KNOWN_INSECURE[@]}"; do
-    if [ "$V" = "$FULL_GOVERSION" ]; then
-        >&2 echo "Go version ${V} has known security vulnerabilities which impact dex. Please update your Go version."
-        exit 2
-    fi
-done
-