Revert "ARM: dts: msm: Add RX3 clock for SS QMP PHY"

Commit 8947d6f57377c7bb("ARM: dts: msm: Add RX3 clock for SS QMP PHY")
needs to be reverted since RX3 clock is not used for QMP PHY on SM6150.

Change-Id: I1fa6909c1dbc00db3a0eb7a4e4f09f8328634136
Signed-off-by: Pratham Pratap <prathampratap@codeaurora.org>