Removed unused release channel code

Author: sebastianfeldmann

src/Cmd.php

@@ -290,7 +290,7 @@ protected function handleSelfUpdate()
     {
         $this->printVersionString();
 
-        $remoteFilename = sprintf('http://phar.phpbu.de/phpbu%s.phar', Version::getReleaseChannel());
+        $remoteFilename = 'http://phar.phpbu.de/phpbu.phar';
         $localFilename  = realpath($_SERVER['argv'][0]);
         $tempFilename   = basename($localFilename, '.phar') . '-temp.phar';
 

src/Version.php

@@ -60,22 +60,4 @@ public static function getVersionString()
     {
         return 'phpbu ' . self::id();
     }
-
-    /**
-     * Return the current release channel ('alpha', 'beta', '')
-     *
-     * @return string
-     */
-    public static function getReleaseChannel()
-    {
-        if (strpos(self::$pharVersion, 'alpha') !== false) {
-            return '-alpha';
-        }
-
-        if (strpos(self::$pharVersion, 'beta') !== false) {
-            return '-beta';
-        }
-
-        return '';
-    }
 }

tests/phpbu/VersionTest.php

@@ -35,14 +35,4 @@ public function testGetVersion()
 
         $this->assertEquals('phpbu 2.1', substr($version, 0, 9), 'version should match');
     }
-
-    /**
-     * Tests Version::createSource
-     */
-    public function testGetReleaseChannel()
-    {
-        $channel = Version::getReleaseChannel();
-
-        $this->assertEquals('', $channel, 'default channel should not be alpha or beta');
-    }
 }