clk: qcom: gcc-ipq6018: drop redundant F define

The same exact F frequency table entry is defined in clk-rcg.h
Drop the redundant define to cleanup code.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230417174408.23722-1-ansuelsmth@gmail.com