Clean up code according to PhpStorm inspections report

src/Generator/TimeGeneratorInterface.php

@@ -14,6 +14,10 @@
 
 namespace Ramsey\Uuid\Generator;
 
+use Exception;
+use InvalidArgumentException;
+use Ramsey\Uuid\Exception\UnsatisfiedDependencyException;
+
 /**
  * TimeGeneratorInterface provides functionality to generate strings of binary
  * data for version 1 UUIDs based on a host ID, sequence number, and the current
@@ -30,10 +34,10 @@ interface TimeGeneratorInterface
      *     could arise when the clock is set backwards in time or if the node ID
      *     changes.
      * @return string A binary string
-     * @throws \Ramsey\Uuid\Exception\UnsatisfiedDependencyException if called on a 32-bit system and
+     * @throws UnsatisfiedDependencyException if called on a 32-bit system and
      *     `Moontoast\Math\BigNumber` is not present
-     * @throws \InvalidArgumentException
-     * @throws \Exception if it was not possible to gather sufficient entropy
+     * @throws InvalidArgumentException
+     * @throws Exception if it was not possible to gather sufficient entropy
      */
     public function generate($node = null, $clockSeq = null);
 }