Bug 24584: Rewrite optional/sample_libraries_holidays to YAML

YAML version of optional sample_libraries_holidays

To test:
1) Same test plan of first patch, only check table
   repeatable_holidays

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

installer/data/mysql/en/optional/sample_libraries_holidays.sql

@@ -1,4 +0,0 @@
-INSERT INTO `repeatable_holidays` VALUES 
-(2,'MPL',0,NULL,NULL,'','Sundays'),
-(3,'MPL',NULL,1,1,'','New Year\'s Day'),
-(4,'MPL',NULL,25,12,'','Christmas');

installer/data/mysql/en/optional/sample_libraries_holidays.txt

@@ -1 +0,0 @@
-Sample holidays: Sunday, Christmas, New Year's

installer/data/mysql/en/optional/sample_libraries_holidays.yml

@@ -0,0 +1,51 @@
+---
+#
+#  Copyright 2020 Koha Development Team
+#
+#  This file is part of Koha.
+#
+#  Koha is free software; you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation; either version 2 of the License, or (at your option) any later
+#  version.
+#
+#  Koha is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with Koha; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+
+description:
+  - "Sample holidays: Sunday, Christmas, New Year's"
+
+tables:
+  - repeatable_holidays:
+      translatable: [ description ]
+      multiline: []
+      rows:
+        - id: 2
+          branchcode: MPL
+          weekday: 0
+          day: ~
+          month: ~
+          title: ""
+          description: "Sundays"
+
+        - id: 3
+          branchcode: MPL
+          weekday: ~
+          day: 1
+          month: 1
+          title: ""
+          description: "New Year's Day"
+
+        - id: 4
+          branchcode: MPL
+          weekday: ~
+          day: 25
+          month: 12
+          title: ""
+          description: "Christmas"