Revert "soc: qcom: socinfo: Expose custom attributes"

This reverts commit 9c84c1e7.
Upstream socinfo driver expose custom socinfo attributes to
clients using debugfs interface. This information can't be
get by clients for performance builds where debugfs is disabled.

Change-Id: I04e0009f22834360cf9d4b7f3b6cff767a631e5c
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>