Remove dev hint for 2.0, fixes #8738

src/Composer/DependencyResolver/SolverProblemsException.php

@@ -71,12 +71,9 @@ class SolverProblemsException extends \RuntimeException
             $hints[] = "<warning>ocramius/package-versions only provides support for Composer 2 in 1.8+, which requires PHP 7.4.</warning>\nIf you can not upgrade PHP you can require <info>composer/package-versions-deprecated</info> to resolve this with PHP 7.0+.";
         }
 
-        // TODO remove before 2.0 final
         if (!class_exists('PHPUnit\Framework\TestCase', false)) {
             if (strpos($text, 'found composer-plugin-api[2.0.0] but it does not match')) {
                 $hints[] = "You are using Composer 2, which some of your plugins seem to be incompatible with. Make sure you update your plugins or report a plugin-issue to ask them to support Composer 2.";
-            } else {
-                $hints[] = "You are using a snapshot build of Composer 2, which may be the cause of the problem. Run `composer self-update --stable` and then try again. In case it solves the problem, please report an issue mentioning Composer 2.";
             }
         }