utils.bbclass: remove the unused oe_system
The following functions in meta/classes/utils.bbclass were not
used by anyone, and they didn't work when I tried to use them:
def oe_popen_env(d):
def oe_run(d, cmd, **kwargs):
def oe_popen(d, cmd, **kwargs):
def oe_system(d, cmd, **kwargs):
There error was:
AttributeError: type object 'str' has no attribute 'getVar'
We have bitbake/lib/bb/process.py to instead, so remove them.
[YOCTO #2489]
(From OE-Core rev:
15ad62ab1be060d8a7cdc2d28167ea3af4cfd5d5)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>