Move require Logger to module level

Move require Logger statements from function/case level to module level
for better code organization and consistency with Elixir best practices

lib/membership/member.ex

@@ -203,8 +203,6 @@ defmodule Mv.Membership.Member do
                      {:ok, member, notifications}
 
                    {:error, reason} ->
-                     require Logger
-
                      Logger.warning(
                        "Failed to regenerate cycles for member #{member.id}: #{inspect(reason)}"
                      )
@@ -962,8 +960,6 @@ defmodule Mv.Membership.Member do
 
   # Runs cycle generation synchronously (for test environment)
   defp handle_cycle_generation_sync(member, initiator) do
-    require Logger
-
     case Mv.MembershipFees.CycleGenerator.generate_cycles_for_member(
            member.id,
            today: Date.utc_today(),
@@ -1015,8 +1011,6 @@ defmodule Mv.Membership.Member do
          sync: sync?,
          initiator: initiator
        ) do
-    require Logger
-
     sync_label = if sync?, do: "", else: " (async)"
     initiator_info = get_initiator_info(initiator)
 
@@ -1030,8 +1024,6 @@ defmodule Mv.Membership.Member do
 
   # Logs cycle generation errors
   defp log_cycle_generation_error(member, reason, sync: sync?, initiator: initiator) do
-    require Logger
-
     sync_label = if sync?, do: "", else: " (async)"
     initiator_info = get_initiator_info(initiator)