[Buildroot] [PATCH v2 1/1] package/qt5: simplify and cleanup _SITE variables

[Gaël PORTAY]

With the missing changelog.

On Tue, Nov 28, 2017 at 06:59:30AM -0500, Gaël PORTAY wrote:
> The variable QT5_SNAPSHOTS_SITE was introduced in commit 9d5ac9698 to
> fetch sources of obsolete modules. It was used to download qt5webkit
> tarballs.
> 
> The variable is not referenced anymore since the qt5webkit tarballs are
> downloaded from the Qt community release site.
> 
> Since the introduction of qt-5.9 in aa1c40ba3, the QT5_SITE variable
> was duplicates for no good reason.
> 
> Signed-off-by: Gaël PORTAY <gael.portay at savoirfairelinux.com>
> Acked-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> ---

Changes since v1:
 * reword asked by Yann to complete the commit message.
 * add the acked-by of Yann.