Un-break test Sanity/dts-probe-binaries for glibc 2.34

Don't look for __libc_csu_init, it's not in binaries built with glibc
2.34. See [1].

[1] https://sourceware.org/git/?p=glibc.git;a=commit;h=035c012e32c11e84d64905efaf55e74f704d3668

tests/Sanity/dts-probe-binaries/runtest.sh

@@ -183,10 +183,8 @@ fi
     # Try -P --size-sort.
     rlRun "$NM -P --size-sort localplt > p"
 if test $(uname -i) = "ppc64" -a $(rlGetDistroRelease) -gt 5; then
-    rlAssertGrep "__libc_csu_init D" p
     rlAssertGrep "main D" p
 else
-    rlAssertGrep "__libc_csu_init T" p
     rlAssertGrep "main T" p
 fi
     rlAssertGrep "completed.* b" p