pwm: th1520: remove impl Send/Sync for Th1520PwmDriverData

pwm: th1520: remove impl Send/Sync for Th1520PwmDriverData

Now that clk implements Send and Sync, we no longer need to manually
implement these traits for Th1520PwmDriverData. Thus remove the
implementations.

Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
Reviewed-by: Michal Wilczynski <m.wilczynski@samsung.com>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20260223-clk-send-sync-v5-3-181bf2f35652@google.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>