Clean ua() usage

lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_Browser.pm

@@ -22,6 +22,7 @@ sub ua {
     # TODO : LWP options to use a proxy for example
     $_ua = LWP::UserAgent->new() or $self->abort($@);
     push @{ $_ua->requests_redirectable }, 'POST';
+    $self->ua()->env_proxy();
     return $_ua;
 }
 

lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_CAS.pm

@@ -239,8 +239,6 @@ sub deleteCasSession {
 sub callPgtUrl {
     my ( $self, $pgtUrl, $pgtIou, $pgtId ) = splice @_;
 
-    $self->ua()->env_proxy();
-
     # Build URL
     my $url = $pgtUrl;
     $url .= ( $pgtUrl =~ /\?/ ? '&' : '?' );
@@ -253,7 +251,6 @@ sub callPgtUrl {
 
     # Return result
     return $response->is_success();
-
 }
 
 1;