[kernel] powerpc/powernv: Remove never used pnv_power9_force_smt4

[Michael Ellerman]

On Mon, 2019-01-14 at 00:40:27 UTC, Alexey Kardashevskiy wrote:
> This removes never used symbol - pnv_power9_force_smt4.
> 
> Note that we might still want to add stubs for:
> 	void pnv_power9_force_smt4_catch(void);
> 	void pnv_power9_force_smt4_release(void);
> 
> Fixes: 7672691a08c88 "powerpc/powernv: Provide a way to force a core into SMT4 mode"
> Signed-off-by: Alexey Kardashevskiy <aik at ozlabs.ru>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/c35f78d7a422750917029d20d9e57000

cheers