[turbofan] Remove the function reload hack for OSR.

src/compiler/linkage.h

Index: src/compiler/linkage.h
diff --git a/src/compiler/linkage.h b/src/compiler/linkage.h
index 2d30545ec0d2eb301f6cffd91d82d519340861b1..ef9d4c701bb013ed21a04f9102769e037c30400d 100644
--- a/src/compiler/linkage.h
+++ b/src/compiler/linkage.h
@@ -76,6 +76,12 @@ class LinkageLocation {
                               kPointerSize);
   }
 
+  static LinkageLocation ForSavedCallerMarker() {
+    return ForCalleeFrameSlot((StandardFrameConstants::kCallerPCOffset -
+                               StandardFrameConstants::kMarkerOffset) /
+                              kPointerSize);
+  }
+
   static LinkageLocation ConvertToTailCallerLocation(
       LinkageLocation caller_location, int stack_param_delta) {
     if (!caller_location.IsRegister()) {