Remove lints duplicated by pkg:pedantic (#129)

diff --git a/analysis_options.yaml b/analysis_options.yaml
index 5d52a63..accdf9f 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -2,27 +2,17 @@
 
 linter:
   rules:
-    - always_declare_return_types
-    - always_require_non_null_named_parameters
-    - annotate_overrides
-    - avoid_empty_else
     - avoid_function_literals_in_foreach_calls
-    - avoid_init_to_null
-    - avoid_null_checks_in_equality_operators
-    - avoid_relative_lib_imports
     - avoid_renaming_method_parameters
-    - avoid_return_types_on_setters
     - avoid_returning_null
     - avoid_returning_null_for_future
     - avoid_unused_constructor_parameters
     - await_only_futures
-    - camel_case_extensions
     - camel_case_types
     - cancel_subscriptions
     - comment_references
     - constant_identifier_names
     - control_flow_in_finally
-    - curly_braces_in_flow_control_structures
     - directives_ordering
     - empty_statements
     - hash_and_equals
@@ -39,12 +29,7 @@
     - package_names
     - package_prefixed_library_names
     - prefer_const_constructors
-    - prefer_for_elements_to_map_fromIterable
-    - prefer_if_null_operators
     - prefer_initializing_formals
-    - prefer_iterable_whereType
-    - prefer_single_quotes
-    - prefer_spread_collections
     - prefer_typing_uninitialized_variables
     - test_types_in_equals
     - throw_in_finally
@@ -53,7 +38,5 @@
     - unnecessary_getters_setters
     - unnecessary_lambdas
     - unnecessary_null_aware_assignments
-    - unnecessary_null_in_if_null_operators
     - unnecessary_parenthesis
     - unnecessary_statements
-    - use_function_type_syntax_for_parameters