arm64: dts: qcom: qcm6490-shift-otter: Remove thermal zone polling delays

arm64: dts: qcom: qcm6490-shift-otter: Remove thermal zone polling delays

As with all other devices in commit 7747a49db7e5 ("arm64: dts: qcom:
sc7280-*: Remove thermal zone polling delays"), apply the same change to
this device as the delays are assumed to be equal to "0" if not set.

Signed-off-by: Alexander Martinz <amartinz@shiftphones.com>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251009-otter-further-bringup-v2-2-5bb2f4a02cea@fairphone.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>