Remove common/log.

This is no longer used by the Prometheus org. We've switched to promlog
and go-kit logging.

Signed-off-by: Brian Brazil <brian.brazil@robustperception.io>

README.md

@@ -11,6 +11,3 @@ components and libraries.
 * **route**: A routing wrapper around [httprouter](https://github.com/julienschmidt/httprouter) using `context.Context`
 * **server**: Common servers
 * **version**: Version information and metrics
-
-## Deprecated
-* **log**: A logging wrapper around [logrus](https://github.com/sirupsen/logrus)

go.mod

@@ -12,9 +12,8 @@ require (
 	github.com/pkg/errors v0.8.1
 	github.com/prometheus/client_golang v1.0.0
 	github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90
-	github.com/sirupsen/logrus v1.4.2
 	golang.org/x/net v0.0.0-20190613194153-d28f0bde5980 // indirect
-	golang.org/x/sys v0.0.0-20190422165155-953cdadca894
+	golang.org/x/sys v0.0.0-20190422165155-953cdadca894 // indirect
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 	gopkg.in/yaml.v2 v2.2.4
 )

go.sum

@@ -65,8 +65,6 @@ github.com/prometheus/procfs v0.0.2 h1:6LJUbpNm42llc4HRCuvApCSWB/WfhuNo9K98Q9sNG
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/sirupsen/logrus v1.2.0 h1:juTguoYk5qI21pwyTXY3B3Y5cOTH3ZUyZCg1v/mihuo=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
-github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
-github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=