Revert of [DBus] Explicitly instantiate dbus::Property variants

Revert of [DBus] Explicitly instantiate dbus::Property variants (https://codereview.chromium.org/354553002/)

Reason for revert:
This causes link error:
http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Builder%20%28dbg%29/builds/48613/steps/compile/logs/stdio

Original issue's description:
> [DBus] Explicitly instantiate dbus::Property variants
> 
> dbus::Property<std::vector<uint8> > isn't instantiated in libdbus in non-ChromeOS build + latest clang.
> That causes instantiation of the template in dbus_unittests, and causes link failure.
> 
> BUG=
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=280264

TBR=keybuk@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=280267

[tzik, 2014-06-27 08:08:23]

Created Revert of [DBus] Explicitly instantiate dbus::Property variants

[commit-bot: I haz the power, 2014-06-27 08:09:42]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/tzik@chromium.org/353063007/1

[commit-bot: I haz the power, 2014-06-27 08:10:48]

Change committed as 280267