REUSE: (CC0-1.0) generated files & PD files

- the translations generated from public-domain files are CC0-1.0
- the files derived from Unicode tables are close to CC0-1.0,
  possibly except that there is a FileCopyrightText line

lang/tz_en.ts

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- SPDX-FileCopyrightText: no
+     SPDX-License-Identifier: CC0-1.0
+-->
 <!DOCTYPE TS>
 <TS version="2.1" language="en_US">
 <context>

lang/tz_nl.ts

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- SPDX-FileCopyrightText: no
+     SPDX-License-Identifier: CC0-1.0
+-->
 <!DOCTYPE TS>
 <TS version="2.1" language="nl">
 <context>

lang/tz_sv.ts

@@ -1,4 +1,8 @@
-<?xml version="1.0" ?><!DOCTYPE TS><TS version="2.1" language="en_US">
+<?xml version="1.0" ?>
+<!-- SPDX-FileCopyrightText: no
+     SPDX-License-Identifier: CC0-1.0
+-->
+<!DOCTYPE TS><TS version="2.1" language="en_US">
 <context>
     <name>QObject</name>
     <message>

lang/tz_uk.ts

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!-- SPDX-FileCopyrightText: no
+     SPDX-License-Identifier: CC0-1.0
+-->
 <!DOCTYPE TS>
 <TS version="2.1" language="uk">
 <context>

src/libcalamares/locale/CountryData_p.cpp

@@ -4,7 +4,7 @@
 *
 * SPDX-FileCopyrightText: 1991-2019 Unicode, Inc.
 * SPDX-FileCopyrightText: 2019 Adriaan de Groot <groot@kde.org>
-* SPDX-License-Identifier: CC0
+* SPDX-License-Identifier: CC0-1.0
 *
 * This file is derived from CLDR data from Unicode, Inc. Applicable terms
 * are listed at http://unicode.org/copyright.html , of which the most

src/libcalamares/locale/ZoneData_p.cxxtr

@@ -2,7 +2,7 @@
 *
 * SPDX-FileCopyrightText: 2009 Arthur David Olson
 * SPDX-FileCopyrightText: 2019 Adriaan de Groot <groot@kde.org>
-* SPDX-License-Identifier: CC0
+* SPDX-License-Identifier: CC0-1.0
 *
 * This file is derived from zone.tab, which has its own copyright statement:
 *

src/libcalamares/locale/zone-extractor.py

@@ -48,7 +48,7 @@ cpp_header_comment = """/*   GENERATED FILE DO NOT EDIT
 *
 * SPDX-FileCopyrightText: 2009 Arthur David Olson
 * SPDX-FileCopyrightText: 2019 Adriaan de Groot <groot@kde.org>
-* SPDX-License-Identifier: CC0
+* SPDX-License-Identifier: CC0-1.0
 *
 * This file is derived from zone.tab, which has its own copyright statement:
 *