[bazel][clang] Remove gen-clang-*-left-list attributes from tablegen

For both 9391ff8 and a30662f.

Author: rupprecht

utils/bazel/llvm-project-overlay/clang/BUILD.bazel

@@ -736,14 +736,6 @@ gentbl(
             "-gen-clang-attr-impl",
             "include/clang/AST/AttrImpl.inc",
         ),
-        (
-            "-gen-clang-attr-can-print-left-list",
-            "include/clang/Basic/AttrLeftSideCanPrintList.inc",
-        ),
-        (
-            "-gen-clang-attr-must-print-left-list",
-            "include/clang/Basic/AttrLeftSideMustPrintList.inc",
-        ),
     ],
     tblgen = ":clang-tblgen",
     td_file = "include/clang/Basic/Attr.td",