Undoing unintended chant to code-stub-assembler introduced by

53d51c52 (frame elision).

Turns out it was the cause of the regression in the referenced bug.

BUG=599421
LOG=N

Review URL: https://codereview.chromium.org/1847073002

Cr-Commit-Position: refs/heads/master@{#35175}

src/compiler/code-stub-assembler.cc

@@ -770,8 +770,7 @@ Node* CodeStubAssembler::ChangeFloat64ToTagged(Node* value) {
     } else {
       Node* pair = Int32AddWithOverflow(value32, value32);
       Node* overflow = Projection(1, pair);
-      Label if_overflow(this, Label::kDeferred), if_notoverflow(this),
-          if_join(this);
+      Label if_overflow(this, Label::kDeferred), if_notoverflow(this);
       Branch(overflow, &if_overflow, &if_notoverflow);
       Bind(&if_overflow);
       Goto(&if_valueisheapnumber);