Remove redundant file.close()

The end of a `with` block already does that.

Author: clayote

pythonforandroid/recipes/sdl2_image/__init__.py

@@ -38,7 +38,6 @@ def prebuild_arch(self, arch):
                         "--depth", "1", "-b",
                         branch, clone_path, "--recursive"
                     )
-            file.close()
 
         super().prebuild_arch(arch)