Fix rust text objects (#3590)

runtime/queries/rust/textobjects.scm

@@ -1,58 +1,20 @@
-(
+(function_item
-  [
+  body: (_) @function.inside) @function.around(closure_expression body: (_) @function.inside) @function.around
-    (attribute_item)+
-    (line_comment)+
-  ]*
-  .
-  (function_item
-    body: (_) @function.inside)) @function.around
 
-(closure_expression body: (_) @function.inside) @function.around
+(struct_item
+  body: (_) @class.inside) @class.around
 
-(
+(enum_item
-  [
+  body: (_) @class.inside) @class.around
-    (attribute_item)+
-    (line_comment)+
-  ]*
-  .
-  (struct_item
-    body: (_) @class.inside)) @class.around
 
-(
+(union_item
-  [
+  body: (_) @class.inside) @class.around
-    (attribute_item)+
-    (line_comment)+
-  ]*
-  .
-  (enum_item
-    body: (_) @class.inside)) @class.around
 
-(
+(trait_item
-  [
+  body: (_) @class.inside) @class.around
-    (attribute_item)+
-    (line_comment)+
-  ]*
-  .
-  (union_item
-    body: (_) @class.inside)) @class.around
 
-(
+(impl_item
-  [
+  body: (_) @class.inside) @class.around
-    (attribute_item)+
-    (line_comment)+
-  ]*
-  .
-  (trait_item
-    body: (_) @class.inside)) @class.around
-
-(
-  [
-    (attribute_item)+
-    (line_comment)+
-  ]*
-  .
-  (impl_item
-    body: (_) @class.inside)) @class.around
 
 (parameters 
   ((_) @parameter.inside . ","? @parameter.around) @parameter.around)