update reva to v0.1.1-0.20200728071211-c948977dd3a0 (#407)

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

go.mod

@@ -3,10 +3,9 @@ module github.com/owncloud/ocis-reva
 go 1.13
 
 require (
-	github.com/cs3org/reva v0.1.1-0.20200724135750-b46288b375d6
+	github.com/cs3org/reva v0.1.1-0.20200728071211-c948977dd3a0
 	github.com/gofrs/uuid v3.3.0+incompatible
 	github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect
-	github.com/haya14busa/goverage v0.0.0-20180129164344-eec3514a20b5 // indirect
 	github.com/micro/cli/v2 v2.1.1
 	github.com/micro/go-micro v1.18.0
 	github.com/micro/go-micro/v2 v2.0.0
@@ -19,7 +18,5 @@ require (
 	github.com/restic/calens v0.2.0
 	github.com/spf13/viper v1.6.1
 	github.com/uber/jaeger-client-go v2.20.1+incompatible // indirect
-	gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d // indirect
 	gopkg.in/ini.v1 v1.51.1 // indirect
-	gopkg.in/ldap.v2 v2.5.1 // indirect
 )