Remove a test file that I'd accidentally added

samples/bulkReadTest.php

@@ -1,38 +0,0 @@
-<?php
-
-// The following code can be used to submit an issue with the PHPSpreadsheet calculation engine
-
-use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
-use PhpOffice\PhpSpreadsheet\IOFactory;
-
-error_reporting(E_ALL);
-set_time_limit(0);
-
-date_default_timezone_set('UTC');
-
-// Adjust the path as required to reference the PHPSpreadsheet Bootstrap file
-require_once __DIR__ . '/../vendor/autoload.php';
-
-foreach (glob(__DIR__ . '/*') as $fileName) {
-    if (!in_array(pathinfo($fileName, PATHINFO_EXTENSION), ['xls', 'xlsx', 'gnumeric', 'ods'])) {
-        continue;
-    }
-    $callStartTime = microtime(true);
-    echo 'Current memory usage: ' , (memory_get_usage(true) / 1024) , ' KB' , PHP_EOL;
-    $spreadsheet = IOFactory::load($fileName);
-    echo 'Loaded spreadsheet file ', pathinfo($fileName, PATHINFO_FILENAME), PHP_EOL;
-    $callEndTime = microtime(true);
-    $loadCallTime = $callEndTime - $callStartTime;
-    echo 'Call time to load spreadsheet file was ' , sprintf('%.4f', $loadCallTime) , ' seconds' , PHP_EOL;
-    echo 'Current memory usage: ' , (memory_get_usage(true) / 1024) , ' KB' , PHP_EOL;
-    $spreadsheet->disconnectWorksheets();
-    $spreadsheet->garbageCollect();
-    unset($spreadsheet);
-    echo 'Unset Spreadsheet', PHP_EOL;
-    gc_collect_cycles();
-    echo 'Memory usage after unset: ' , (memory_get_usage(true) / 1024) , ' KB' , PHP_EOL;
-}
-
-// Echo memory usage
-echo ' Current memory usage: ' , (memory_get_usage(true) / 1024) , ' KB' , PHP_EOL;
-echo '    Peak memory usage: ' , (memory_get_peak_usage(true) / 1024) , ' KB' , PHP_EOL;