Update analysis_options.yaml (dart-lang/timing#21)

pkgs/timing/analysis_options.yaml

diff --git a/pkgs/timing/analysis_options.yaml b/pkgs/timing/analysis_options.yaml
index 9f4dae7..dd1616f 100644
--- a/pkgs/timing/analysis_options.yaml
+++ b/pkgs/timing/analysis_options.yaml
@@ -17,7 +17,6 @@
     - cascade_invocations
     - comment_references
     - directives_ordering
-    - invariant_booleans
     - join_return_with_assignment
     - literal_only_boolean_expressions
     - omit_local_variable_types