How to remove the filter from the Search page

Step 1: Revert the Search template to origin
Edit the theme which need to be removed the filter.
Type "search" in the Search box

-  Replace the content of the search.liquid file by the search-bc- sf -filter-backup.liquid.
Step 2:  Remove the initialization of the filter from the Search page
Go to the bc-sf-filter .liquid file in the Snippets folder and find the following script:
{% if template contains 'collection' or template contains 'search' %}
Then change it to:
{% if template contains 'collection' %}