arm64: dts: qcom: sdm845: Remove cpufreq cooling devices for CPU thermal zones

Now that Limits h/w is enabled to monitor thermal events around cpus and
throttle the cpu frequencies, remove cpufreq cooling device for the CPU
thermal zones which does software throttling of cpu frequencies.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>