Fixed UnsubscribeArticleCreation to delete unsubscribing observer#3

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sgloutnikov wants to merge 2 commits intoalexzimmer96:masterfrom

sgloutnikov:subscriber_delete_fix

Commits on Mar 12, 2021

Fixed UnsubscribeArticleCreation to delete unsubscribing observer from observers slice
sgloutnikov
committed
Renamed subscriber to observer in loop
sgloutnikov
committed