clk: qcom: Remove QCOM_RPMCC symbol

This symbol is selected by a couple drivers, but isn't used by anyone
and hasn't been for years now. Drop it.

No functional change intended.

Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Mike Tipton <quic_mdtipton@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240619-drop-qcom-rpmcc-v1-1-b487c95162ef@quicinc.com


Signed-off-by: Bjorn Andersson <andersson@kernel.org>