ci: Drop no longer needed workaround

The https://sourceware.org/bugzilla/show_bug.cgi?id=27008 bug has been
resolved since libc 2.33.

Debian Bookworm has libc 2.36.

Author: hebasto

.cirrus.yml

@@ -128,8 +128,6 @@ task:
     ELLSWIFT: yes
     CTIMETESTS: no
   test_script:
-    # https://sourceware.org/bugzilla/show_bug.cgi?id=27008
-    - rm /etc/ld.so.cache
     - ./ci/ci.sh
   << : *CAT_LOGS