PLT-5900 Removed automatic configuration of SiteURL (#5952)

* Revert "PLT-5765 Passed SiteURL to SendNotifications (#5705)"

This reverts commit a8e68bd890.

* Removed automatic configuration of SiteURL

* Reverted unintentional config changes

* Updated help text

* Added link to docs in Site URL warning

* Fixed merge conflict

api4/team.go

@@ -63,7 +63,7 @@ func createTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	rteam, err := app.CreateTeamWithUser(team, c.Session.UserId, c.GetSiteURL())
+	rteam, err := app.CreateTeamWithUser(team, c.Session.UserId)
 	if err != nil {
 		c.Err = err
 		return
@@ -349,14 +349,14 @@ func addTeamMember(c *Context, w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		member, err = app.AddTeamMember(member.TeamId, member.UserId, c.GetSiteURL())
+		member, err = app.AddTeamMember(member.TeamId, member.UserId)
 	} else if len(hash) > 0 && len(data) > 0 {
-		member, err = app.AddTeamMemberByHash(c.Session.UserId, hash, data, c.GetSiteURL())
+		member, err = app.AddTeamMemberByHash(c.Session.UserId, hash, data)
 		if err != nil {
 			err = model.NewAppError("addTeamMember", "api.team.add_user_to_team.invalid_data.app_error", nil, "", http.StatusNotFound)
 		}
 	} else if len(inviteId) > 0 {
-		member, err = app.AddTeamMemberByInviteId(inviteId, c.Session.UserId, c.GetSiteURL())
+		member, err = app.AddTeamMemberByInviteId(inviteId, c.Session.UserId)
 		if err != nil {
 			err = model.NewAppError("addTeamMember", "api.team.add_user_to_team.invalid_invite_id.app_error", nil, "", http.StatusNotFound)
 		}
@@ -407,7 +407,7 @@ func addTeamMembers(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	members, err = app.AddTeamMembers(c.Params.TeamId, userIds, c.GetSiteURL())
+	members, err = app.AddTeamMembers(c.Params.TeamId, userIds)
 
 	if err != nil {
 		c.Err = err
@@ -673,7 +673,7 @@ func inviteUsersToTeam(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err := app.InviteNewUsersToTeam(emailList, c.Params.TeamId, c.Session.UserId, utils.GetSiteURL())
+	err := app.InviteNewUsersToTeam(emailList, c.Params.TeamId, c.Session.UserId)
 	if err != nil {
 		c.Err = err
 		return