Bug 31581: Remove zebra files for NORMARC

Those are leftovers, we should have removed them on bug 18984.

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Magnus Enger <magnus@libriotech.no>
Looks good!
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
(cherry picked from commit 8e5774cdfe)
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>

etc/zebradb/marc_defs/normarc/biblios/preprocess_marcxml.xsl

@@ -1,23 +0,0 @@
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:marc="http://www.loc.gov/MARC21/slim"
- version="1.0">
-<xsl:output indent="yes"
-      method="xml"
-      version="1.0"
-      encoding="UTF-8"/>
-
- <xsl:template name="identity" match="node()|@*">
-   <xsl:copy>
-     <xsl:apply-templates select="@*|node()"/>
-   </xsl:copy>
- </xsl:template>
-
- <xsl:template match="marc:datafield[@tag=880]">
-    <xsl:element name="datafield" namespace="http://www.loc.gov/MARC21/slim">
-        <xsl:attribute name="tag"><xsl:value-of select="substring(marc:subfield[@code=6],1,3)"/></xsl:attribute>
-        <xsl:attribute name="ind1"><xsl:value-of select="@ind1"/></xsl:attribute>
-        <xsl:attribute name="ind2"><xsl:value-of select="@ind2"/></xsl:attribute>
-        <xsl:apply-templates select="marc:subfield[@code != '6']"/>
-    </xsl:element>
-</xsl:template>
-
-</xsl:stylesheet>