Revert "Merge pull request 'KAN-11 Move remaining project metadata ownership to templates' (#94) from koda/kan-11-restliche-projekt-konfiguration-auf-templates-umstellen into epic/kan-3"

This reverts commit d39d21d303, reversing
changes made to a8952d7867.

app/Http/Requests/ValidateProjectTicketBranchRequest.php

@@ -2,10 +2,8 @@
 
 namespace App\Http\Requests;
 
-use App\Models\Project;
 use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
-use Illuminate\Validation\Rule;
 
 class ValidateProjectTicketBranchRequest extends FormRequest
 {
@@ -24,21 +22,9 @@ class ValidateProjectTicketBranchRequest extends FormRequest
      */
     public function rules(): array
     {
-        /** @var Project $project */
-        $project = $this->route('project');
-        $projectTemplateId = $project->project_template_id;
-        $ownershipColumn = $projectTemplateId === null ? 'project_id' : 'project_template_id';
-        $ownershipValue = $projectTemplateId ?? $project->id;
-
         return [
             'branch_name' => ['required', 'string', 'max:255'],
-            'repository_connection_id' => [
-                'required',
-                'integer',
-                Rule::exists('repository_connections', 'id')->where(
-                    fn ($query) => $query->where($ownershipColumn, $ownershipValue),
-                ),
-            ],
+            'repository_connection_id' => ['required', 'integer', 'exists:repository_connections,id'],
         ];
     }
 }