revert: do not use hardened_malloc

roles/baseline/tasks/main.yaml

@@ -140,14 +140,6 @@
 - name: Mark packages as manually installed to avoid removal
   shell: 'dnf mark user flatpak -y && source /etc/environment'
 
-- name: Enable hardened_malloc COPR
-  shell: 'dnf copr enable secureblue/hardened_malloc -y'
-
-- name: Install hardened_malloc
-  ansible.builtin.dnf5:
-    name: 'hardened_malloc'
-    state: 'present'
-  when: use_hardened_malloc == true
 - name: Install custom packages
   ansible.builtin.dnf5:
     name:
@@ -158,21 +150,6 @@
       - 'xdg-desktop-portal-gtk'
       - 'qubes-video-companion'
 
-- name: Enable hardened_malloc
-  ansible.builtin.copy:
-    src: 'etc/ld.so.preload'
-    dest: '/etc/ld.so.preload'
-    mode: '0644'
-  when: use_hardened_malloc == true
-
-- name: Enable hardened_malloc for system wide flatpak
-  shell: 'flatpak override --system --filesystem=host-os:ro --env=LD_PRELOAD=/var/run/host/usr/lib64/libhardened_malloc.so'
-  when: use_hardened_malloc == true
-
-- name: Enable hardened_malloc for user flatpak # has to be run per APP VM
-  shell: 'flatpak override --user --filesystem=host-os:ro --env=LD_PRELOAD=/var/run/host/usr/lib64/libhardened_malloc.so'
-  when: use_hardened_malloc == true
-
 - name: Setup dnf repos
   ansible.builtin.copy:
     src: 'etc/dnf/dnf.conf'