SCA: dropped import duplicates, fixed a few cases of php core API misuse (#5639)

* SCA: dropped import duplicates, fixed a few cases of php core API misuse

* SCA: partial revert to probe if semaphore build gets fixed

Author: kalessil

src/Codeception/Module/AMQP.php

@@ -1,7 +1,7 @@
 <?php
 namespace Codeception\Module;
 
-use Codeception\Exception\ModuleException as ModuleException;
+use Codeception\Exception\ModuleException;
 use Codeception\Lib\Interfaces\RequiresPackage;
 use Codeception\Module as CodeceptionModule;
 use Codeception\TestInterface;