python-numpy: fix buildpaths QA issue

python-numpy: fix buildpaths QA issue

Remove build path in comments:

Without the fix:
...
|This file is generated by /buildarea/raid0/hjia/build-20160225-yocto-
buildpath/tmp/work/core2-64-poky-linux/python-numpy/1.10.4-r0/numpy
-1.10.4/setup.py
...

With the fix:
...
|This file is generated by /numpy-1.10.4/setup.py
...

[YOCTO #7058]

(From OE-Core rev: 06835e109264b0472f4a47e33a74b0c872ebd7f1)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>