TT#124273 remove `rtpengine-kernel` Debian package name

This package name is not used anywhere as a dependency, therefore it
makes no sense to list as a "provides"

Change-Id: I20db5308328b1c911495bf31417e4996a9824c3c
(cherry picked from commit 5ed13a130e)

debian/control.modules.in

@@ -11,8 +11,6 @@ Package: ngcp-rtpengine-kernel-modules-_KVERS_
 Architecture: any
 Depends:
  linux-modules-_KVERS_ | linux-image-_KVERS_,
-Provides:
- ngcp-rtpengine-kernel,
 Description: IPtables kernel module for the NGCP media proxy
  This package provides the ngcp-rtpengine module for
  the Linux kernel version _KVERS_.

debian/rules

@@ -15,8 +15,6 @@ pdkms:=ngcp-rtpengine-kernel-dkms
 sname:=ngcp-rtpengine
 # Source version
 sversion:=$(DEB_VERSION_UPSTREAM)
-
-PACKAGE=ngcp-rtpengine-kernel
 ## end of kernel package specific stuff
 
 XTABLES_DIR:=$(shell pkg-config xtables --variable=xtlibdir || echo /lib/xtables)