Revert "simplify disabling effect deserialization"

This reverts commit 5bbf790b5beeb2ed74f04551502259b54ac5556f.

Reason for revert: flutter GN needs some love

Original change's description:
> simplify disabling effect deserialization
> 
> Switch to a simple #define instead of conditional build targets.
> 
> No one changes skia_enable_effects or skia_enable_effects_imagefilters,
> so we can merge all that together back into :skia.
> 
> Change-Id: I2985f95ee89149ddc687dc31f4c6bf35cb3a93c7
> Reviewed-on: https://skia-review.googlesource.com/c/169220
> Reviewed-by: Kevin Lubick <kjlubick@google.com>
> Commit-Queue: Mike Klein <mtklein@google.com>

TBR=mtklein@google.com,kjlubick@google.com

Change-Id: I3b818418d303dbc6d2a926a19df64a68499f0ec3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/169222
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
9 files changed