Update module dependencies

go.mod

@@ -5,7 +5,6 @@ go 1.14
 require (
 	forge.grandlyon.com/apoyen/sdk-go v0.0.0-20200504124323-b515b737f420
 	github.com/jinzhu/gorm v1.9.12
-	github.com/oschwald/maxminddb-golang v1.6.0
 	golang.org/x/crypto v0.0.0-20200429183012-4b2356b1ed79
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 )