Revert of Multi-string shaders (patchset #4 id:60001 of https://codereview.chromium.org/929503002/)

Reason for revert:
windows warnings

Original issue's description:
> Multi-string shaders
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/1c3c2d83364ee228e0751df0e1b9c161c0ba8c1e

TBR=bsalomon@google.com,joshualitt@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/924973002

1 files changed, 1 insertions, 6 deletions

diff --git a/src/gpu/gl/builders/GrGLProgramBuilder.h b/src/gpu/gl/builders/GrGLProgramBuilder.h
index 46d2816c52..37908f9971 100644
--- a/src/gpu/gl/builders/GrGLProgramBuilder.h
+++ b/src/gpu/gl/builders/GrGLProgramBuilder.h
@@ -356,12 +356,7 @@ protected:
     };
     class AutoStageAdvance {
     public:
-        AutoStageAdvance(GrGLProgramBuilder* pb)
-            : fPB(pb) {
-            fPB->reset();
-            // Each output to the fragment processor gets its own code section
-            fPB->fFS.nextStage();
-        }
+        AutoStageAdvance(GrGLProgramBuilder* pb) : fPB(pb) { fPB->reset(); }
         ~AutoStageAdvance() { fPB->exitStage(); }
     private:
         GrGLProgramBuilder* fPB;