fixed estimate#sync

app/controllers/estimate_controller.rb

@@ -77,13 +77,6 @@ class EstimateController < ApplicationController
     redirect_back fallback_location: root_path, flash: { error: I18n.t(:notice_estimate_not_found) }
   end
 
-  def sync
-    Estimate.sync
-    redirect_to :home, flash: { notice: I18n.t(:label_syncing) }
-  end
-
-  private
-
   # Logs messages with a consistent prefix for easier debugging.
   def log(msg)
     Rails.logger.info "[EstimateController] #{msg}"