Fix the build format check

gen/generate_wrapper.jl

@@ -17,19 +17,4 @@ ctx = create_context(headers, args, options)
 build!(ctx)
 
 path = options["general"]["output_file_path"]
-format_file(path, YASStyle())
-
-str = read(path, String)
-str =
-"""
-# Copyright (c) 2016: Ng Yee Sian, Miles Lubin, other contributors
-#
-# Use of this source code is governed by an MIT-style license that can be found
-# in the LICENSE.md file or at https://opensource.org/licenses/MIT.
-
-#!format:off
-""" * str *
-"""
-#!format:on
-"""
-write(path, str)
+format_file(path)

gen/prologue.jl

@@ -1 +1,6 @@
+# Copyright (c) 2016: Ng Yee Sian, Miles Lubin, other contributors
+#
+# Use of this source code is governed by an MIT-style license that can be found
+# in the LICENSE.md file or at https://opensource.org/licenses/MIT.
+
 const DBL_MAX = Float64(0x1.fffffffffffffp+1023)