Fix malformed test that wasn't being run

grammar.js

@@ -30,7 +30,6 @@ module.exports = grammar({
 
   conflicts: $ => [
     [$._type_specifier, $._expression],
-    [$._type_specifier, $.direct_declarator],
     [$.sizeof_expression, $.cast_expression],
   ],
 

grammar_test/statements.txt

@@ -74,12 +74,12 @@ int main() {
     printf("hi");
 }
 
-  ---
+---
 
 (translation_unit
   (function_definition
     (identifier)
-    (direct_declarator (identifier))
+    (function_declarator (identifier))
     (compound_statement
       (while_statement (identifier)
         (expression_statement (call_expression (identifier) (string_literal)))))))