hide symbols in product tag. for filtering by group Supply theme.

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I need to make tags for filters by groups, but in front of tag, i have to add ":" because of integration with other system. and i want to hide it in filtering, but getting error when adding line with "remove: ':' " to advanced-tag-loop,liquid 

Liquid error (advanced-tag-loop line 10): wrong number of arguments (given 3, expected 2)

maybe here is possibility to make it easier?