Revert "Make SkSL GLSL generator declare sk_FragColor inout when EXT fb fetch is used."

This reverts commit 7e1dd2017a59a748c6cb10160868780d2dffdbc0.

Reason for revert: breaking fp compilation

Original change's description:
> Make SkSL GLSL generator declare sk_FragColor inout when EXT fb fetch is used.
> 
> Change-Id: I5e6e3263bb49febc757cd63d5d6c1518f174322d
> Reviewed-on: https://skia-review.googlesource.com/118420
> Reviewed-by: Greg Daniel <egdaniel@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>

TBR=egdaniel@google.com,bsalomon@google.com

Change-Id: I2aedfaff93150ba8cd1ed9fed22f3cfdd509695a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/118600
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/src/sksl/ir/SkSLProgram.h b/src/sksl/ir/SkSLProgram.h
index 03a94fa03f..cbb9dfe1a7 100644
--- a/src/sksl/ir/SkSLProgram.h
+++ b/src/sksl/ir/SkSLProgram.h
@@ -71,8 +71,6 @@ struct Program {
         // if false, sk_FragCoord is exactly the same as gl_FragCoord. If true, the y coordinate
         // must be flipped.
         bool fFlipY = false;
-        // If true the destination fragment color is read sk_FragColor. It must be declared inout.
-        bool fFragColorIsInOut = false;
         // if true, Setting objects (e.g. sk_Caps.fbFetchSupport) should be replaced with their
         // constant equivalents during compilation
         bool fReplaceSettings = true;