remove leftover debug code from test

Author: dbu

tests/Unit/ProxyClient/VarnishTest.php

@@ -225,8 +225,6 @@ public function testExceptions(\Exception $exception, $type)
         } catch (ExceptionCollection $exceptions) {
             $this->assertCount(1, $exceptions);
             $this->assertInstanceOf($type, $exceptions->getFirst());
-        } catch (\Exception $e) {
-            die(get_class($e));
         }
     }