Remove unused variable

Author: jmikola

tests/cursor/bug1274-001.phpt

@@ -54,7 +54,6 @@ MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
 $query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
 $cursor = $manager->executeQuery(NS, $query);
 
-$parentPid = getmypid();
 $childPid = pcntl_fork();
 
 if ($childPid === 0) {

tests/cursor/bug1274-002.phpt

@@ -57,7 +57,6 @@ MongoDB\Driver\Monitoring\addSubscriber($subscriber);
 $query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
 $cursor = $manager->executeQuery(NS, $query);
 
-$parentPid = getmypid();
 $childPid = pcntl_fork();
 
 if ($childPid === 0) {

tests/cursor/bug1274-003.phpt

@@ -54,7 +54,6 @@ MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
 $query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
 $cursor = $manager->executeQuery(NS, $query);
 
-$parentPid = getmypid();
 $childPid = pcntl_fork();
 
 if ($childPid === 0) {

tests/session/bug1274-001.phpt

@@ -28,7 +28,6 @@ $bulk->insert(['x' => 2]);
 $result = $manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
 printf("Parent inserted %d documents\n", $result->getInsertedCount());
 
-$parentPid = getmypid();
 $childPid = pcntl_fork();
 
 if ($childPid === 0) {

tests/session/bug1274-002.phpt

@@ -57,7 +57,6 @@ MongoDB\Driver\Monitoring\addSubscriber(new CommandLogger);
 $query = new MongoDB\Driver\Query([], ['batchSize' => 2]);
 $cursor = $manager->executeQuery(NS, $query, ['session' => $session]);
 
-$parentPid = getmypid();
 $childPid = pcntl_fork();
 
 if ($childPid === 0) {