Revert "TT#144300 accept Windows .csv file uploads"

This reverts commit 73d6cdb259.

Reason for revert: not needed to support windows line terminator

Change-Id: Icce72b4d9f971da1747f5dd27a4916398c016c92

lib/NGCP/Panel/Utils/Billing.pm

@@ -8,7 +8,6 @@ use NGCP::Schema;
 use NGCP::Panel::Utils::Preferences qw();
 use NGCP::Panel::Utils::DateTime;
 use DateTime::Format::Strptime qw();
-use NGCP::Panel::Utils::Generic qw(trim);
 
 use NGCP::Panel::Utils::IntervalTree::Simple;
 
@@ -236,13 +235,11 @@ sub process_billing_fees{
     my $linenum = 0;
     my @fees = ();
     my %zones = ();
-    local $/ = "/n";
     open(my $fh, '<:encoding(utf8)', $data);
     #to don't stop on first failed parse - don't use "while($csv->getline)"
     while ( my $line = <$fh> ){
         ++$linenum;
         next unless length $line;
-        $line = trim($line);
         unless($csv->parse($line)) {
             push @fails, $linenum;
             next;

lib/NGCP/Panel/Utils/Phonebook.pm

@@ -166,13 +166,11 @@ sub upload_csv {
 
     $c->model('DB')->txn_do(sub {
 
-        local $/ = "/n";
         open(my $fh, '<:encoding(utf8)', $data);
 
         while ( my $line = <$fh> ){
             ++$linenum;
             next unless length $line;
-            $line = trim($line);
             unless($csv->parse($line)) {
                 push @fails, $linenum;
                 next;

lib/NGCP/Panel/Utils/ProvisioningTemplates.pm

@@ -28,7 +28,6 @@ use NGCP::Panel::Utils::ProfilePackages qw();
 use NGCP::Panel::Utils::Subscriber qw();
 use NGCP::Panel::Utils::Preferences qw();
 use NGCP::Panel::Utils::Kamailio qw();
-use NGCP::Panel::Utils::Generic qw(trim);
 
 use JE::Destroyer qw();
 use JE qw();
@@ -309,12 +308,10 @@ sub process_csv {
         c => $c,
         purge => $purge,
     );
-    local $/ = "/n";
     open(my $fh, '<:encoding(utf8)', $data);
     while ( my $line = <$fh> ){
         ++$linenum;
         next unless length $line;
-        $line = trim($line);
         unless($csv->parse($line)) {
             push(@fails,{ linenum => $linenum, });
             next;