Revert "Add signup links index to data_attributes" #3218
Merged
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What
Reverts #3140
Why
This was some quite complex code to ensure that the values for indexes for GA4 tracking were correct on the 'Get emails' and 'Subscribe to feed' links at the top and bottom of search results. The top two were supposed to have an index of 1 and 2, and the bottom two had to have 3 and 4.
The problem was that sometimes only one of these links was visible, so the indexes had to account for that - the top link would be index 1, the bottom link index 2.
This was all fine until we realised that on mobile the links at the top are always hidden, using CSS. Since we can't know the size of the user viewport when rendering the page (without some additional and probably nasty JS) the decision was made to remove the index values entirely a the links already have information that shows whether they're at the top or the bottom.
Visual changes
None.
Trello card: https://trello.com/c/qALJdYg1/722-amend-index-on-mobile-view-of-subscribe-to-rss-feed-link