Removed trailing comma.

Co-authored-by: Richard Gibson <[email protected]>

Author: springcomp

tests/legacy/legacy-literal.json

@@ -27,11 +27,6 @@
         "expression": "`✓`",
         "result": "✓"
       },
-      {
-        "comment": "Double quote in literal",
-        "expression": "`foo\\\"bar`",
-        "result": "foo\"bar"
-      },
       {
         "expression": "`1\\``",
         "result": "1`"