ANDROID: KVM: arm64: Don't map host sections in pkvm

We no longer need to map the host's .rodata and .bss sections in the
pkvm hypervisor, so let's remove those mappings. This will avoid
creating dependencies at EL2 on host-controlled data-structures.

Signed-off-by: Quentin Perret <qperret@google.com>
Bug: 225169428
Change-Id: I0fcb0e1b34d3c7c0c226b3fd30cdec0e8d7bfb44