options: remove double assignment

self.project_options is set already a couple lines above.

Signed-off-by: Paolo Bonzini <[email protected]>

Author: bonzini

mesonbuild/options.py

@@ -809,7 +809,6 @@ def __init__(self, is_cross: bool) -> None:
         self.module_options: T.Set[OptionKey] = set()
         from .compilers import all_languages
         self.all_languages = set(all_languages)
-        self.project_options = set()
         self.augments: T.Dict[OptionKey, ElementaryOptionValues] = {}
         self.is_cross = is_cross