ARM: dts: msm: remove kgsl smmu interconnect node for Shima

Remove kgsl smmu interconnect node for Shima. For TCU config register
access we shouldn't required DDR path votes. KGSL smmu already votes for
clock and regulator so it should be fine.

Change-Id: I5e09725edaec9e5164dacb594c8437ed7e94f2ee