task-sysmocom-debug: Remove oprofile as it is quite outdated

We should use perf for future performance problems but it might
require more work (e.g. not to install the source into the -dbg
package, adding newt, etc.). But oprofile is not very nice to
use right now anyway.

recipes-apps/tasks/task-sysmocom-debug.bb

@@ -4,7 +4,7 @@ LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=3f40d7994397109285ec7b81fdeb3
                     file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 DEPENDS = "virtual/kernel"
 ALLOW_EMPTY = "1"
-PR = "r2"
+PR = "r3"
 
 RDEPENDS_task-sysmocom-debug = "\
     dropbear \
@@ -13,7 +13,6 @@ RDEPENDS_task-sysmocom-debug = "\
     tcpdump \
     gdb \
     gdbserver \
-    oprofile \
     net-tools \
     "