Remove 'axle' related code and build machinery. It turns out that we

will not be pursuing this project in the immediate future.



Swift SVN r9901

lib/SIL/SILFunction.cpp

@@ -18,7 +18,6 @@ using namespace swift;
 SILFunction::SILFunction(SILModule &Module, SILLinkage Linkage,
                          StringRef Name, SILType LoweredType,
                          Optional<SILLocation> Loc,
-                         KernelOrShaderKind KOS,
                          IsTransparent_t isTrans)
   : ModuleAndLinkage(&Module, Linkage),
     Name(Name),
@@ -26,7 +25,6 @@ SILFunction::SILFunction(SILModule &Module, SILLinkage Linkage,
     Location(Loc),
     DeclCtx(nullptr),
     DebugScope(nullptr),
-    KernelOrShader(KOS),
     Transparent(isTrans) {
   Module.functions.push_back(this);
 }