Remove paragraph regarding synchronisation of git.typo3.org with Packagist

@see https://github.com/TYPO3/CmsComposerPackageGenerator/issues/4

Change-Id: I7a5a6145e357234e8adb264fb43194c4c2323af0

index.md

@@ -99,15 +99,7 @@ dependencies. The file must be placed at the root of your extension and must loo
 
 
 The ``vendor-name`` must be one of yours. It must not be "typo3" which is reserved for Core extensions.
-There are some [conventions notes](http://wiki.typo3.org/Namespaces#Does_and_don.27ts_for_developers) to be read in the TYPO3 Wiki related to namespaces.
-
-Also, you have the chance to synchronise your package on Packagist, if you are hosting your code on git.typo3.org.
-The benefit would be to be able to use the "master" branch as long as the "tags" - which is not possible with the TER. To have this possible, make sure to:
-
-* Have a Composer file at the root of the extension, as shown above.
-* Register the package at [Packagist](https://packagist.org/packages/submit)
-* Add "typo3" as additional maintainer of your package on Packagist. This is required to have Gerrit's hook correctly triggering the update on Packagist.
-
+There are some [conventions notes](http://wiki.typo3.org/Namespaces#Does_and_don.27ts_for_developers) available in the TYPO3 Wiki related to namespaces.
 
 How it works?
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