phpcs fixes

Signed-off-by: sergiu <sergiubota@rospace.com>

Author: SergiuBota1

src/Swoole/Command/IsRunningTrait.php

@@ -21,9 +21,9 @@ public function isRunning(): bool
 
         [$masterPid, $managerPid] = $pids;
 
-        if ($managerPid !== '') {
+        if ($managerPid) {
             // Swoole process mode
-            return $masterPid && $managerPid && SwooleProcess::kill((int) $managerPid, 0);
+            return $masterPid && SwooleProcess::kill((int) $managerPid, 0);
         }
 
         // Swoole base mode, no manager process

src/Swoole/ServerFactory.php

@@ -15,7 +15,6 @@
 use function defined;
 use function in_array;
 use function is_array;
-use function method_exists;
 
 use const SWOOLE_BASE;
 use const SWOOLE_PROCESS;