Revert "feat: custom eventually assertion"

This reverts commit b3fc8eb510.

tests/extensions/Async.php

@@ -1,14 +0,0 @@
-<?php
-
-namespace Appwrite\Tests;
-
-use PHPUnit\Framework\Assert;
-use Appwrite\Tests\Async\Eventually;
-
-trait Async
-{
-    public static function assertEventually(callable $probe, int $timeoutMilliseconds = 10000, int $waitMilliseconds = 500): void
-    {
-        Assert::assertThat($probe, new Eventually($timeoutMilliseconds, $waitMilliseconds));
-    }
-}

tests/extensions/Async/Eventually.php

@@ -1,54 +0,0 @@
-<?php
-
-namespace Appwrite\Tests\Async;
-
-use PHPUnit\Framework\Constraint\Constraint;
-
-final class Eventually extends Constraint
-{
-    private int $timeoutMs;
-    private int $waitMs;
-
-    public function __construct(int $timeoutMs = 10000, int $waitMs = 500)
-    {
-        $this->timeoutMs = $timeoutMs;
-        $this->waitMs = $waitMs;
-    }
-
-    public function evaluate(mixed $probe, string $description = '', bool $returnResult = false): ?bool
-    {
-        if (!is_callable($probe)) {
-            throw new \Exception('Probe must be a callable');
-        }
-
-        $start = microtime(true);
-        $lastException = null;
-
-        do {
-            try {
-                $probe();
-                return true;
-            } catch (\Exception $exception) {
-                $lastException = $exception;
-            }
-
-            usleep($this->waitMs * 1000);
-        } while (microtime(true) - $start < $this->timeoutMs / 1000);
-
-        if ($returnResult) {
-            return false;
-        }
-
-        throw $lastException;
-    }
-
-    protected function failureDescription(mixed $other): string
-    {
-        return 'the given probe was satisfied within the provided timeout';
-    }
-
-    public function toString(): string
-    {
-        return 'Eventually';
-    }
-}