I see you haven't been in the UK.
It may also mean cigarettes, but it's also a derogatory term here.
Dictionaries are museums of words.
They are a record of the history of words. They aren't a list of the words that are acceptable to use.
Removing offensive words from a dictionary is akin to removing, say, an exhibit on slavery from a museum.
Even if it is removed it doesn't change the history of that thing/word.
And just because it is included doesn't mean it is a promotion of that thing.
Poll