Revert "Add inline threshold to SkSL::Program::Settings"

This reverts commit ad3db40d78988b1ef7f0e8be11653625e2207cc9.

Reason for revert: Chrome doesn't like static initializers.

Original change's description:
> Add inline threshold to SkSL::Program::Settings
> 
> Keep the same default value, but add a (private) API to change it when
> compiling SkRuntimeEffect code.
> 
> Use the new API to improve fuzzer coverage, by fuzzing with inlining
> disabled and (enthusiastically) enabled.
> 
> Change-Id: I36424bac95144aeb727cfb949754fbe998d5d7de
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/308181
> Commit-Queue: Brian Osman <brianosman@google.com>
> Reviewed-by: Kevin Lubick <kjlubick@google.com>
> Reviewed-by: Ethan Nicholas <ethannicholas@google.com>

TBR=kjlubick@google.com,brianosman@google.com,ethannicholas@google.com

Change-Id: Ic233203f3728a7285a1958c53567d915e56023af
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/308757
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
6 files changed