remove unused use statements

src/Analysis/Debugger.php

@@ -1,8 +1,6 @@
 <?php
 namespace Kahlan\Analysis;
 
-use Exception;
-
 /**
  * The `Debugger` class provides basic facilities for generating and rendering meta-data about the
  * state of an application in its current context.

src/Code/Code.php

@@ -1,7 +1,6 @@
 <?php
 namespace Kahlan\Code;
 
-use Exception;
 use InvalidArgumentException;
 
 class Code

src/Filter/Behavior/Filterable.php

@@ -1,7 +1,6 @@
 <?php
 namespace Kahlan\Filter\Behavior;
 
-use Exception;
 use Kahlan\Filter\MethodFilters;
 
 trait Filterable

src/Jit/Interceptor.php

@@ -1,7 +1,6 @@
 <?php
 namespace Kahlan\Jit;
 
-use Exception;
 use FilesystemIterator;
 use RecursiveIteratorIterator;
 use RecursiveDirectoryIterator;

src/Reporter/Coverage/Driver/Phpdbg.php

@@ -1,7 +1,6 @@
 <?php
 namespace Kahlan\Reporter\Coverage\Driver;
 
-use Exception;
 use RuntimeException;
 
 class Phpdbg