Remove license globals entirely (#8229)

* remove license globals entirely

* fix infinite recursion

* test fix

api/license.go

@@ -9,7 +9,6 @@ import (
 	"net/http"
 
 	"github.com/mattermost/mattermost-server/model"
-	"github.com/mattermost/mattermost-server/utils"
 )
 
 func (api *API) InitLicense() {
@@ -83,7 +82,7 @@ func removeLicense(c *Context, w http.ResponseWriter, r *http.Request) {
 func getClientLicenceConfig(c *Context, w http.ResponseWriter, r *http.Request) {
 	useSanitizedLicense := !c.App.SessionHasPermissionTo(c.Session, model.PERMISSION_MANAGE_SYSTEM)
 
-	etag := utils.GetClientLicenseEtag(useSanitizedLicense)
+	etag := c.App.GetClientLicenseEtag(useSanitizedLicense)
 	if c.HandleEtag(etag, "Get Client License Config", w, r) {
 		return
 	}
@@ -91,9 +90,9 @@ func getClientLicenceConfig(c *Context, w http.ResponseWriter, r *http.Request)
 	var clientLicense map[string]string
 
 	if useSanitizedLicense {
-		clientLicense = utils.ClientLicense()
+		clientLicense = c.App.ClientLicense()
 	} else {
-		clientLicense = utils.GetSanitizedClientLicense()
+		clientLicense = c.App.GetSanitizedClientLicense()
 	}
 
 	w.Header().Set(model.HEADER_ETAG_SERVER, etag)