clean: fix whitspaces and minor code issues

removed Data::Dumper and a newline

Signed-off-by: Philipp Hufnagl <p.hufnagl@proxmox.com>

re-added the newline, but fixed up the indentation at that line..

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

src/PVE/Storage.pm

@@ -2,7 +2,6 @@ package PVE::Storage;
 
 use strict;
 use warnings;
-use Data::Dumper;
 
 use POSIX;
 use IO::Select;