Disable the literal_only_boolean_expressions lint

I don't see any value in the `literal_only_boolean_expressions` lint,
and it's already banned internally.

Author: jamesderlin

analysis_options.yaml

@@ -36,7 +36,7 @@ linter:
     - library_names
     - library_prefixes
     - list_remove_unrelated_type
-    - literal_only_boolean_expressions
+    #- literal_only_boolean_expressions # https://github.com/dart-lang/linter/issues/453
     - non_constant_identifier_names
     - one_member_abstracts
     - only_throw_errors
@@ -46,7 +46,7 @@ linter:
     - package_prefixed_library_names
     - prefer_is_not_empty
     - slash_for_doc_comments
-    # TODO - sort_constructors_first
+    #- sort_constructors_first
     - sort_unnamed_constructors_first
     - test_types_in_equals
     - throw_in_finally

packages/visibility_detector/example/lib/main.dart

@@ -520,7 +520,6 @@ Iterable<T> collate<T>(Iterable<Iterable<T>> iterables) sync* {
     return;
   }
 
-  // ignore: literal_only_boolean_expressions, https://github.com/dart-lang/linter/issues/453
   while (true) {
     var exhaustedCount = 0;
     for (final i in iterators) {