Remove reference to ION

Author: fabiencastan

meshroom/__init__.py

@@ -32,8 +32,6 @@ class VersionStatus(Enum):
     # Allow override from env variable
     if "REZ_MESHROOM_VERSION" in os.environ:
         __version_label__ += " package=" + os.environ.get("REZ_MESHROOM_VERSION")
-    elif "ION_MESHROOM_VERSION" in os.environ:
-        __version_label__ += " container=" + os.environ.get("ION_MESHROOM_VERSION")
 
 
 # Internal imports after the definition of the version