Partially address #11200, remove unused no_index compute (#11201)

* Partially address #11200, remove unused no_index compute

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Co-authored-by: jimchamp <28732543+jimchamp@users.noreply.github.com>

Author: mekarpeles

openlibrary/macros/LoanStatus.html

@@ -13,7 +13,6 @@
 $ availability = (doc.availability or {}) if hasattr(doc, 'availability') else doc.get('availability', {})
 $ ocaid = doc.get('ocaid') or availability.get('identifier')
 $ work_key = work_key or (doc.get('works') and doc.works[0]['key'])
-$ no_index = hasattr(doc, 'get_ia_meta_fields') and doc.get_ia_meta_fields().get('noindex', False)
 
 $ waiting_loan_start_time = time()
 $ waiting_loan = check_loan_status and ocaid and ctx.user and ctx.user.get_user_waiting_loans(ocaid, use_cache=True)