This reverts commit 1e2a8d4111.
Since version 1.0.30, uClibc-ng release supports the missing functions
even for Linuxthreads, therefore the dependency on NPTL is no longer
needed.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>