ci: Remove redundant valgrind fuzz task

Author: MarcoFalke

.cirrus.yml

@@ -112,14 +112,6 @@ task:
   env:
     FILE_ENV: "./ci/test/00_setup_env_native_fuzz.sh"
 
-task:
-  name: 'x86_64 Linux  [GOAL: install]  [focal]  [no depends, only system libs, fuzzers under valgrind]'
-  << : *GLOBAL_TASK_TEMPLATE
-  container:
-    image: ubuntu:focal
-  env:
-    FILE_ENV: "./ci/test/00_setup_env_native_fuzz_with_valgrind.sh"
-
 task:
   name: 'x86_64 Linux [GOAL: install]  [focal]  [multiprocess]'
   << : *GLOBAL_TASK_TEMPLATE