fix(growth): ignore enum result explicitly

lib/growth/indicators/load.ex

@@ -49,9 +49,10 @@ defmodule Growth.Indicators.Load do
 
   @doc false
   def start_link(_) do
-    Enum.map(@measure_to_score, fn {_, measure} ->
-      create_ets(measure)
-    end)
+    _ =
+      Enum.map(@measure_to_score, fn {_, measure} ->
+        create_ets(measure)
+      end)
 
     Task.start_link(__MODULE__, :all, [])
   end