cnss2: Add code to move debugfs removal under defconfig build

Add code to move debugfs removal under defconfig build
as it is evaluated that all debugfs nodes are not needed
for perf build today.

Change-Id: I0644b37dbb94866676a5676f5eca981fe9c6afd0
Signed-off-by: Mohammed Siddiq <msiddiq@codeaurora.org>