qcom-cpufreq: Removing lmh-dcvs parsing in ready callback

LMH DCVS is no more registering cpufreq cooling device. cpufreq
has to register cpufreq cooling device for each policy by default.

Remove LMH DCVS node check before cpufreq cooling register in
cpufreq ready callback.

Change-Id: I4476aac3c5aecfd438b0671eb0a9ab8ad535eebb
Signed-off-by: Asha Magadi Venkateshamurthy <amagad@codeaurora.org>