refactor(sales): remove import template download and update dialog instructions

app/Modules/Sales/Controllers/SalesImportController.php

@@ -30,10 +30,6 @@ class SalesImportController extends Controller
         ]);
     }
 
-    public function template()
-    {
-        return Excel::download(new \App\Modules\Sales\Exports\SalesImportTemplateExport, 'sales_import_template.xlsx');
-    }
 
     public function store(Request $request)
     {

app/Modules/Sales/Exports/SalesImportTemplateExport.php

@@ -1,37 +0,0 @@
-<?php
-
-namespace App\Modules\Sales\Exports;
-
-use Maatwebsite\Excel\Concerns\WithHeadings;
-use Maatwebsite\Excel\Concerns\WithTitle;
-use Maatwebsite\Excel\Concerns\WithStyles;
-use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
-
-class SalesImportTemplateExport implements WithHeadings, WithTitle, WithStyles
-{
-    public function headings(): array
-    {
-        return [
-            '機台編號',
-            '交易時間',
-            '商品代號',
-            '數量',
-            '單價',
-            '總金額',
-            '貨道', // 新增欄位
-            '狀態', // 原始狀態
-        ];
-    }
-
-    public function title(): string
-    {
-        return '銷售單匯入範本';
-    }
-
-    public function styles(Worksheet $sheet)
-    {
-        return [
-            1 => ['font' => ['bold' => true]],
-        ];
-    }
-}

app/Modules/Sales/Routes/web.php

@@ -10,7 +10,6 @@ Route::middleware(['auth', 'verified'])->prefix('sales')->name('sales-imports.')
     });
 
     Route::post('/imports', [SalesImportController::class, 'store'])->middleware('permission:sales_imports.create')->name('store');
-    Route::get('/imports/template', [SalesImportController::class, 'template'])->middleware('permission:sales_imports.create')->name('template');
     
     Route::post('/imports/{import}/confirm', [SalesImportController::class, 'confirm'])->middleware('permission:sales_imports.confirm')->name('confirm');
     Route::delete('/imports/{import}', [SalesImportController::class, 'destroy'])->middleware('permission:sales_imports.delete')->name('destroy');