removed --no-cache

Signed-off-by: Richard Jones <richard@dagger.io>

tests/plan.bats

@@ -5,6 +5,6 @@ setup() {
 }
 
 @test "plan: hello" {
-  run dagger --no-cache --europa up ./plan/hello-europa
+  run dagger --europa up ./plan/hello-europa
   assert_success
 }