Tidy up dependencies (#148)

go.mod

@@ -1,33 +1,18 @@
 module github.com/martin-helmich/prometheus-nginxlog-exporter
 
 require (
-	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
 	github.com/armon/go-radix v1.0.0 // indirect
-	github.com/creack/pty v1.1.9 // indirect
 	github.com/fsnotify/fsnotify v1.4.7 // indirect
-	github.com/go-logfmt/logfmt v0.5.0 // indirect
-	github.com/google/gofuzz v1.1.0 // indirect
 	github.com/hashicorp/consul v0.0.0-20150921174127-de080672fee9
 	github.com/hashicorp/go-msgpack v0.5.3 // indirect
 	github.com/hashicorp/golang-lru v0.5.1 // indirect
 	github.com/hashicorp/hcl v1.0.0
 	github.com/hpcloud/tail v1.0.0
-	github.com/julienschmidt/httprouter v1.3.0 // indirect
-	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/kr/pretty v0.2.0 // indirect
-	github.com/kr/pty v1.1.8 // indirect
-	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
-	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.7.1
 	github.com/satyrius/gonx v1.3.1-0.20180709120835-47c52b995fe5
 	github.com/smartystreets/goconvey v0.0.0-20190306220146-200a235640ff // indirect
-	github.com/stretchr/objx v0.2.0 // indirect
 	github.com/stretchr/testify v1.6.1
-	golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72 // indirect
-	golang.org/x/mod v0.2.0 // indirect
-	golang.org/x/net v0.0.0-20200202094626-16171245cfb2 // indirect
-	golang.org/x/text v0.3.2 // indirect
-	golang.org/x/tools v0.0.0-20200205141839-4abfd4a1628e // indirect
 	gopkg.in/fsnotify.v1 v1.4.7 // indirect
 	gopkg.in/mcuadros/go-syslog.v2 v2.3.0
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect