Pin SHOUT library at working version

The version we did have has a bug of not importing 'time'.

Remove other vendor'd copy of SHOUT library which may or may not be used.

Author: bboreham

extras/example/vendor/github.com/richo/GOSHOUT/README.MD

@@ -58,7 +58,7 @@ require (
 	github.com/peterbourgon/runsvinit v2.0.0+incompatible
 	github.com/pkg/errors v0.8.1
 	github.com/prometheus/client_golang v1.5.0
-	github.com/richo/GOSHOUT v0.0.0-20190205170632-a1a6db7f26e9
+	github.com/richo/GOSHOUT v0.0.0-20160308183402-8e98c504bfae
 	github.com/russross/blackfriday v0.0.0-20151020174500-a18a46c9b943 // indirect
 	github.com/shurcooL/sanitized_anchor_name v0.0.0-20150822220530-244f5ac324cb // indirect
 	github.com/sirupsen/logrus v1.4.2

extras/example/vendor/github.com/richo/GOSHOUT/SHOUT.go

@@ -266,6 +266,8 @@ github.com/prometheus/procfs v0.0.3 h1:CTwfnzjQ+8dS6MhHHu4YswVAD99sL2wjPqP+VkURm
 github.com/prometheus/procfs v0.0.3/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
 github.com/prometheus/procfs v0.0.8 h1:+fpWZdT24pJBiqJdAwYBjPSk+5YmQzYNPYzQsdzLkt8=
 github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
+github.com/richo/GOSHOUT v0.0.0-20160308183402-8e98c504bfae h1:/NoALPFmRKJ/attvODMptyCS0DUsPeiXYC5LfqV0ecM=
+github.com/richo/GOSHOUT v0.0.0-20160308183402-8e98c504bfae/go.mod h1:MSTsYcO3SGF1j/eewqZORAzbp3BUbisi2094EDP3+To=
 github.com/richo/GOSHOUT v0.0.0-20190205170632-a1a6db7f26e9 h1:2bCoptIvAKQ1O70dbwQHob8Pop8zIXJHlnVLRtf9pG8=
 github.com/richo/GOSHOUT v0.0.0-20190205170632-a1a6db7f26e9/go.mod h1:MSTsYcO3SGF1j/eewqZORAzbp3BUbisi2094EDP3+To=
 github.com/russross/blackfriday v0.0.0-20151020174500-a18a46c9b943 h1:Bn2ofKCNwK+UtM3PAsMzGGaxgViklwyVrl1cyzsHHGc=

extras/example/vendor/manifest

@@ -269,7 +269,7 @@ github.com/prometheus/common/model
 github.com/prometheus/procfs
 github.com/prometheus/procfs/internal/fs
 github.com/prometheus/procfs/internal/util
-# github.com/richo/GOSHOUT v0.0.0-20190205170632-a1a6db7f26e9
+# github.com/richo/GOSHOUT v0.0.0-20160308183402-8e98c504bfae
 github.com/richo/GOSHOUT
 # github.com/russross/blackfriday v0.0.0-20151020174500-a18a46c9b943
 github.com/russross/blackfriday