simplified rules for Mage* module files

Magento.gitignore

@@ -14,26 +14,7 @@ app/design/frontend/default/modern/
 app/design/frontend/enterprise/default
 app/design/install/
 app/etc/modules/Enterprise_*
-app/etc/modules/Mage_All.xml
-app/etc/modules/Mage_Api.xml
-app/etc/modules/Mage_Api2.xml
-app/etc/modules/Mage_Authorizenet.xml
-app/etc/modules/Mage_Bundle.xml
-app/etc/modules/Mage_Captcha.xml
-app/etc/modules/Mage_Centinel.xml
-app/etc/modules/Mage_Compiler.xml
-app/etc/modules/Mage_ConfigurableSwatches.xml
-app/etc/modules/Mage_Connect.xml
-app/etc/modules/Mage_CurrencySymbol.xml
-app/etc/modules/Mage_Downloadable.xml
-app/etc/modules/Mage_ImportExport.xml
-app/etc/modules/Mage_LoadTest.xml
-app/etc/modules/Mage_Oauth.xml
-app/etc/modules/Mage_PageCache.xml
-app/etc/modules/Mage_Persistent.xml
-app/etc/modules/Mage_Weee.xml
-app/etc/modules/Mage_Widget.xml
-app/etc/modules/Mage_XmlConnect.xml
+app/etc/modules/Mage_*.xml
 app/etc/modules/Phoenix_Moneybookers.xml
 app/etc/modules/Cm_RedisSession.xml
 app/etc/applied.patches.list