package/pipewire: drop consecutive empty lines
Fixes:
package/pipewire/pipewire.mk:184: consecutive empty lines
https://gitlab.com/buildroot.org/buildroot/-/jobs/4682253962/raw
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 157089d34d06712b67f42b083bcfb16a9bdee1f0)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>