Implement FSFE REUSE for golang files (#21840)

Change all license headers to comply with REUSE specification.

Fix #16132

Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>

services/pull/check.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/check_test.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/commit_status.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/edits.go

@@ -1,7 +1,6 @@
 // Copyright 2022 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/lfs.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/main_test.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/merge.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/patch.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/patch_unmerged.go

@@ -1,7 +1,6 @@
 // Copyright 2021 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/pull.go

@@ -1,6 +1,5 @@
 // Copyright 2019 The Gitea Authors. All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/pull_test.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/review.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/temp_repo.go

@@ -1,7 +1,6 @@
 // Copyright 2019 The Gitea Authors.
 // All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull
 

services/pull/update.go

@@ -1,6 +1,5 @@
 // Copyright 2020 The Gitea Authors. All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
+// SPDX-License-Identifier: MIT
 
 package pull