Tizen:3.0:Base, Tizen:Base - remove speedpython macro

Tizen:3.0:Base, Tizen:Base - remove speedpython macro

There are several reasons to remove this macro,

1. We already provide same functionality with below macro,
 - Substitute: python-accel-armv7l-cross-arm
python-accel-%{build_hostarch}-armv7l
 - Substitute: python-accel-aarch64-cross-aarch64
python-accel-%{build_hostarch}-aarch64

2. Speedpython macro sometimes cause some build problem

 Speedpython macro is parsed when spec parsing time and it includes
 other macro in its own.(I mean, %{build_hostarch} macro)
 And when the OBS project config updates, OBS sometimes cannot sync-up
 the changes perfectly.
 It this case, build error occurs when we use speedpython macro.
 It seems OBS limitation but, we can avoid this problem by using other
 macro which provides same functionality.

Change-Id: I04189f001b861afefb4ef1c682b7c0bcea68566b
Signed-off-by: Chan Lee <chan45.lee@samsung.com>