sdhci_of_dwcmshc: sync up "disable PM runtime in dwcmshc_remove()" from upstream

[Liming Sun]

SRU Justification:

[Impact]
It shouldn't affect normal functionalities. With this fix, it'll remove a warning when unloading and loading the sdhci_of_dwcmshc kernel driver.

[Fix]
The fix unload the runtime PM when unloading the sdhci_of_dwcmshc driver.

[Test Case]
Normal regression;
Unload and load sdhci_of_dwcmshc.ko again.

[Regression Potential]
Same behavior from user perspective.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is awaiting verification that the linux-bluefield/5.15.0-1044.46 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy-linux-bluefield' to 'verification-done-jammy-linux-bluefield'. If the problem still exists, change the tag 'verification-needed-jammy-linux-bluefield' to 'verification-failed-jammy-linux-bluefield'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!