Move Manager::startSession() error test and delete obsolete test

The deleted error test was redundant. It was originally created in ca4c52e to work around changes in PHP 8, but 60febd0 subsequently reintroduced a portable version of the test case.

Also adds missing SKIPIF to startSession test.

Author: jmikola

tests/session/session_error-001.phpt renamed to tests/manager/manager-startSession_error-001.phpt

@@ -1,5 +1,10 @@
 --TEST--
-MongoDB\Driver\Session with wrong defaultTransactionOptions
+MongoDB\Driver\Manager::startSession() with wrong defaultTransactionOptions
+--SKIPIF--
+<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
+<?php skip_if_not_libmongoc_crypto(); ?>
+<?php skip_if_not_live(); ?>
+<?php skip_if_server_version('<', '3.6'); ?>
 --FILE--
 <?php
 require_once __DIR__ . "/../utils/basic.inc";
@@ -40,7 +45,7 @@ foreach ($options as $txnOptions) {
         $manager->startSession([
             'defaultTransactionOptions' => $txnOptions
         ]);
-    }, 'MongoDB\Driver\Exception\InvalidArgumentException'), "\n";
+    }, MongoDB\Driver\Exception\InvalidArgumentException::class), "\n";
 }
 
 echo raises(function() use ($manager) {