chore(app/test): remove unused functions (#3929)

`linkerd-app-test` exposes some functions that we never use elsewhere.

this commit removes these functions.

Signed-off-by: katelyn martin <kate@buoyant.io>

linkerd/app/test/src/lib.rs

@@ -33,15 +33,6 @@ pub fn resolver<E>() -> resolver::Dst<E> {
     resolver::Resolver::default()
 }
 
-pub fn profiles() -> resolver::Profiles {
-    profile::resolver()
-}
-
-#[cfg(feature = "client-policy")]
-pub fn client_policies() -> resolver::ClientPolicies {
-    resolver::Resolver::default()
-}
-
 pub fn connect<E>() -> connect::Connect<E> {
     connect::Connect::default()
 }