No more gu

Author: eregon

sdk/mx.sdk/mx_sdk_vm_impl.py

@@ -102,8 +102,6 @@ def unicode_utf8(string):
 
 default_components = []
 
-USE_LEGACY_GU = mx.str_to_bool(mx.get_env('LEGACY_GU', 'false'))
-
 mx.add_argument('--base-dist-name', help='Sets the name of the GraalVM base image ( for complete, ruby ... images), default to "base"', default='base')