[STYLE] Fixed some YAML linting issues (- WIP #207 -)

Author: reactive-firewall

.ast-grep/rules/multicast-rule-check-documentation.yml

@@ -2,10 +2,10 @@
 id: check-has-documentation
 rule:
   pattern:
-      selector: function_definition
-      context: |
-        def $FUNC_NAME($$$)$$$:$$$
-          $BODY
+    selector: function_definition
+    context: |
+      def $FUNC_NAME($$$)$$$:$$$
+        $BODY
   kind: function_definition
   not:
     matches: function_docstring

.ast-grep/rules/multicast-rule-require-docstring-testing.yml

@@ -31,7 +31,7 @@ examples:
       class MyClass:
           """
           My class description.
-          
+
           Testing:
               >>> obj = MyClass()
               >>> obj.method()

.ast-grep/utils/structure/block_docstring.yml

@@ -10,4 +10,3 @@ rule:
   kind: expression_statement
   nthChild: 1
 language: python
-

.ast-grep/utils/structure/class_docstring.yml

@@ -13,4 +13,3 @@ rule:
             kind: class_definition
     - kind: string
 language: python
-