Incorporate feedback about usued elements and typos

lib/meditate.ex

@@ -2,21 +2,6 @@ defmodule Mix.Tasks.Meditate do
   use Mix.Task
   alias Options
 
-  @modules [
-    Equalities,
-    Strings,
-    Tuples,
-    Lists,
-    Maps,
-    Structs,
-    PatternMatching,
-    Functions,
-    Enums,
-    Processes,
-    Tasks,
-    Agents,
-  ]
-
   def run(args) do
     Application.ensure_all_started(:elixir_koans)
     Code.compiler_options(ignore_module_conflict: true)

lib/tracker.ex

@@ -9,7 +9,7 @@ defmodule Tracker do
 
   def get do
     Agent.get(__MODULE__, &(&1))
-    |> summirize
+    |> summarize
   end
 
   def completed(koan) do
@@ -18,7 +18,7 @@ defmodule Tracker do
     end)
   end
 
-  def summirize({total, completed}) do
+  def summarize({total, completed}) do
     %{total: total, current: MapSet.size(completed)}
   end
 end

test/tracker_test.exs

@@ -18,8 +18,6 @@ defmodule TrackerTest do
     Tracker.start(@sample_modules)
     Tracker.completed(:"Hi there")
     Tracker.completed(:"Hi there")
-    Tracker.completed(:"Hi there")
-    Tracker.completed(:"Hi there")
     assert Tracker.get == %{total: 2, current: 1}
   end
 end