Fix RFC3986 normalization

Uri.php

@@ -28,7 +28,6 @@
 use League\Uri\Exceptions\MissingFeature;
 use League\Uri\Exceptions\SyntaxError;
 use League\Uri\Idna\Converter as IdnaConverter;
-use League\Uri\IPv4\Converter as IPv4Converter;
 use League\Uri\IPv6\Converter as IPv6Converter;
 use League\Uri\UriTemplate\TemplateCanNotBeExpanded;
 use Psr\Http\Message\UriInterface as Psr7UriInterface;
@@ -1013,15 +1012,7 @@ private function normalizeHost(): ?string
             return null;
         }
 
-        $host = $this->host;
-        $hostIp = IPv4Converter::fromEnvironment()->toDecimal($host);
-
-        return IdnaConverter::toUnicode((string)IPv6Converter::compress(match (true) {
-            '' === $host,
-            null === $hostIp,
-            $host === $hostIp => $host,
-            default => $hostIp,
-        }))->domain();
+        return IdnaConverter::toUnicode((string)IPv6Converter::compress($this->host))->domain();
     }
 
     /**

UriTest.php

@@ -760,14 +760,6 @@ public static function getOriginProvider(): array
                 'uri' => Uri::new('blob:https://mozilla.org:443/'),
                 'expectedOrigin' => 'https://mozilla.org',
             ],
-            'normalized ipv4' => [
-                'uri' => 'https://0:443/',
-                'expectedOrigin' => 'https://0.0.0.0',
-            ],
-            'normalized ipv4 with object' => [
-                'uri' => Uri::new('https://0:443/'),
-                'expectedOrigin' => 'https://0.0.0.0',
-            ],
             'compressed ipv6' => [
                 'uri' => 'https://[1050:0000:0000:0000:0005:0000:300c:326b]:443/',
                 'expectedOrigin' => 'https://[1050::5:0:300c:326b]',