MDL-48920 tool_generator: Use 'real' names during course generation

admin/tool/generator/classes/course_backend.php

@@ -308,8 +308,7 @@ class tool_generator_course_backend extends tool_generator_backend {
             $username = 'tool_generator_' . $textnumber;
 
             // Create user account.
-            $record = array('firstname' => get_string('firstname', 'tool_generator'),
-                    'lastname' => $number, 'username' => $username);
+            $record = array('username' => $username);
 
             // We add a user password if it has been specified.
             if (!empty($CFG->tool_generator_users_password)) {

admin/tool/generator/lang/en/tool_generator.php

@@ -62,7 +62,6 @@ $string['error_nonexistingcourse'] = 'The specified course does not exist';
 $string['error_nopageinstances'] = 'The selected course does not contain page module instances';
 $string['error_notdebugging'] = 'Not available on this server because debugging is not set to DEVELOPER';
 $string['error_nouserspassword'] = 'You need to set $CFG->tool_generator_users_password in config.php to generate the test plan';
-$string['firstname'] = 'Test course user';
 $string['fullname'] = 'Test course: {$a->size}';
 $string['maketestcourse'] = 'Make test course';
 $string['maketestplan'] = 'Make JMeter test plan';