clk: qcom: gcc-sm6125: Remove gpll7 from sdcc2_apps

This removes gpll7 clock source from sdcc2_apps as it caused issues on the
device during testing

Signed-off-by: Martin Botka <martin.botka@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221001185431.493440-1-martin.botka@somainline.org