mapi/gen: remove shebang from the marshal generator scripts

The scripts are invoked with the correct version of python and are
missing the execute bit.

Follow the rest of Mesa and drop the shebang line.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
diff --git a/src/mapi/glapi/gen/gl_marshal.py b/src/mapi/glapi/gen/gl_marshal.py
index efa4d9e..6a2c0d7 100644
--- a/src/mapi/glapi/gen/gl_marshal.py
+++ b/src/mapi/glapi/gen/gl_marshal.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 
 # Copyright (C) 2012 Intel Corporation
 #
diff --git a/src/mapi/glapi/gen/gl_marshal_h.py b/src/mapi/glapi/gen/gl_marshal_h.py
index 6e39148..998ca59 100644
--- a/src/mapi/glapi/gen/gl_marshal_h.py
+++ b/src/mapi/glapi/gen/gl_marshal_h.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 
 # Copyright (C) 2012 Intel Corporation
 #
diff --git a/src/mapi/glapi/gen/marshal_XML.py b/src/mapi/glapi/gen/marshal_XML.py
index 80f7f54..d761e58 100644
--- a/src/mapi/glapi/gen/marshal_XML.py
+++ b/src/mapi/glapi/gen/marshal_XML.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 
 # Copyright (C) 2012 Intel Corporation
 #