removed invoice/bill status tables

app/Http/Requests/Purchase/Bill.php

@@ -42,7 +42,7 @@ class Bill extends FormRequest
 
         return [
             'bill_number' => 'required|string|unique:bills,NULL,' . $id . ',id,company_id,' . $company_id . ',deleted_at,NULL',
-            'bill_status_code' => 'required|string',
+            'status' => 'required|string',
             'billed_at' => 'required|date_format:Y-m-d H:i:s',
             'due_at' => 'required|date_format:Y-m-d H:i:s',
             'amount' => 'required',

app/Http/Requests/Purchase/BillHistory.php

@@ -25,7 +25,7 @@ class BillHistory extends FormRequest
     {
         return [
             'bill_id' => 'required|integer',
-            'status_code' => 'required|string',
+            'status' => 'required|string',
             'notify' => 'required|integer',
         ];
     }

app/Http/Requests/Sale/Invoice.php

@@ -42,7 +42,7 @@ class Invoice extends FormRequest
 
         return [
             'invoice_number' => 'required|string|unique:invoices,NULL,' . $id . ',id,company_id,' . $company_id . ',deleted_at,NULL',
-            'invoice_status_code' => 'required|string',
+            'status' => 'required|string',
             'invoiced_at' => 'required|date_format:Y-m-d H:i:s',
             'due_at' => 'required|date_format:Y-m-d H:i:s',
             'amount' => 'required',

app/Http/Requests/Sale/InvoiceHistory.php

@@ -25,7 +25,7 @@ class InvoiceHistory extends FormRequest
     {
         return [
             'invoice_id' => 'required|integer',
-            'status_code' => 'required|string',
+            'status' => 'required|string',
             'notify' => 'required|integer',
         ];
     }