promu: Use default Go version again

beorn7 · beorn7 · commit f3837864f694 · 2016-10-11T11:42:05.000+02:00
The default is Go1.7.1 now.
diff --git a/.promu.yml b/.promu.yml
@@ -1,5 +1,3 @@
-go:
-    version: 1.7.1
 repository:
     path: github.com/prometheus/prometheus
 build:

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,3 @@`
`1`		`-go:`
`2`		`- version: 1.7.1`
`3`	`1`	`repository:`
`4`	`2`	`path: github.com/prometheus/prometheus`
`5`	`3`	`build:`