chore: Remove unused require statements as picked up by the Elixir 1.20.0-rc.1 compiler (#290)

Author: sevenseacat

lib/reactor/dsl/map.ex

@@ -169,7 +169,6 @@ defmodule Reactor.Dsl.Map do
 
   defimpl Dsl.Build do
     import Reactor.Utils
-    require Reactor.Argument
     alias Reactor.Argument
     alias Spark.{Dsl.Verifier, Error.DslError}
 

lib/reactor/dsl/template.ex

@@ -19,7 +19,6 @@ defmodule Reactor.Dsl.Template do
             __spark_metadata__: nil
 
   alias Reactor.{Builder, Dsl, Step}
-  require EEx
 
   @type t :: %__MODULE__{
           arguments: [Dsl.Argument.t()],

lib/reactor/step/around.ex

@@ -4,8 +4,6 @@
 # SPDX-License-Identifier: MIT
 
 defmodule Reactor.Step.Around do
-  require Reactor.Mermaid
-
   @moduledoc """
   Wrap the execution of a number of steps in a function.
 

lib/reactor/step/group.ex

@@ -67,7 +67,6 @@ defmodule Reactor.Step.Group do
   """
 
   use Reactor.Step
-  require Reactor.Argument
   alias Reactor.{Argument, Builder, Step}
   import Reactor.Utils