Bug 20011: use Modern::Perl in plugins perl scripts

Test Plan:
- Check that it now says 'use Modern::Perl' and not 'use trict; use
warnings;' in the follwing plugins perl scripts

plugins-home.pl
plugins-uninstall.pl
plugins-upload.pl
run.pl

Signed-off-by: Jon Knight <J.P.Knight@lboro.ac.uk>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

plugins/plugins-home.pl

@@ -17,8 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with Koha; if not, see <http://www.gnu.org/licenses>.
 
-use strict;
-use warnings;
+use Modern::Perl;
 
 use CGI qw ( -utf8 );
 

plugins/plugins-uninstall.pl

@@ -15,8 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with Koha; if not, see <http://www.gnu.org/licenses>.
 
-use strict;
-use warnings;
+use Modern::Perl;
 
 use Archive::Extract;
 use File::Temp;

plugins/plugins-upload.pl

@@ -16,8 +16,7 @@
 # You should have received a copy of the GNU General Public License
 # along with Koha; if not, see <http://www.gnu.org/licenses>.
 
-use strict;
-use warnings;
+use Modern::Perl;
 
 use Archive::Extract;
 use File::Temp;

plugins/run.pl

@@ -17,8 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with Koha; if not, see <http://www.gnu.org/licenses>.
 
-use strict;
-use warnings;
+use Modern::Perl;
 
 use CGI qw ( -utf8 );