Revert "kernel: Add trace_printk from Sony kernel"

Sony was nice enough to include an option to disable trace_printk() in stock by default. These debugging functions are not recommended for production kernels AND require more memory allocated.

The BPF backport also relies on trace_printk() being defined.

We do however have f1de5373 which globally replaces trace_printk() with pr_debug(), so there is no need for this commit anymore at all.

This reverts commit 7108a370.