Removes negative keywords from one Google Ads campaign. Inputs: customer_id = the Google Ads account id; campaign_id = the campaign whose negatives are removed; then EITHER criterion_ids = the ids of the negative keywords to remove (from list_negative_keywords), OR keywords = their texts, each optionally followed by '|EXACT', '|PHRASE' or '|BROAD' (without a match type every match type of that text is removed). Several keywords can be removed in one call (up to 5000) and each is reported with its own result. Only campaign-level negatives are handled here; ad group negatives are removed with manage_keywords. confirm=false returns a preview of what would be removed; confirm=true removes them.