Remove linter rules included in pedantic 1.8.0
diff --git a/analysis_options.yaml b/analysis_options.yaml
index c356c2b..090b8b2 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -4,8 +4,6 @@
     deprecated_member_use_from_same_package: ignore
 linter:
   rules:
-    - avoid_empty_else
-    - avoid_init_to_null
     - avoid_null_checks_in_equality_operators
     - avoid_unused_constructor_parameters
     - await_only_futures
@@ -14,8 +12,6 @@
     - constant_identifier_names
     - control_flow_in_finally
     - directives_ordering
-    - empty_catches
-    - empty_constructor_bodies
     - empty_statements
     - hash_and_equals
     - implementation_imports
@@ -28,16 +24,9 @@
     - package_api_docs
     - package_names
     - package_prefixed_library_names
-    - prefer_equal_for_default_values
     - prefer_final_fields
     - prefer_generic_function_type_aliases
-    - prefer_is_not_empty
-    - slash_for_doc_comments
     - test_types_in_equals
     - throw_in_finally
-    - type_init_formals
     - unnecessary_brace_in_string_interps
-    - unnecessary_const
-    - unnecessary_new
     - unrelated_type_equality_checks
-    - valid_regexps