refs #17673 [finc]: clean-up of obsolete access_facet

* removed obosolete facet access_avail from facets.ini
* searchspecs.yaml optimization for Local holdings boosting
* removed obsolete method getAccessFacet from SolDefaultFincTrait

local/config/vufind/facets.ini

@@ -5,7 +5,6 @@
 ; institution        = Institution
 ; building           = Library
 facet_avail        = Access
-;access_facet	   = Access
 format_finc        = Format
 ; rvk_facet          = "RVK"
 finc_class_facet   = Fachgebiet

local/config/vufind/searchspecs.yaml

@@ -457,7 +457,7 @@ AllFields:
     - [mm, 3]
     - [bf , ord(publishDateSort)^10]
 #    - [bf , "if(exists(query({!v='source_id:0'})),10,1)^1000"]
-    - [bf, "if(exists(query({!v='facet_avail:Local*'})),10,1)^1000"]
+    - [bf, "if(exists(query({!v='facet_avail:Local'})),10,1)^1000"]
   DismaxFields:
     - title_short^1000
     - title_full_unstemmed^1000

module/finc/src/finc/RecordDriver/SolrDefaultFincTrait.php

@@ -1095,17 +1095,6 @@ trait SolrDefaultFincTrait
             $this->fields['publishPlace'] : [];
     }
 
-    /**
-     * Get value of access_facet field
-     *
-     * @return string
-     */
-    public function getAccessFacet()
-    {
-        return isset($this->fields['access_facet'])
-            ? $this->fields['access_facet'] : '';
-    }
-
     /**
      * Get specific marc information about additional items. Unflexible solution
      * for UBL only implemented.