Fix category casing in R-ICO-014044.xml

changed from COMPOUND to compound

Author: junaid7haque

icons/R-ICO-014044.xml

@@ -1,10 +1,10 @@
 <metadata>
 	<categories>
-		<category>COMPOUND</category>
+		<category>compound</category>
 	</categories>
 	<person role="curator" orcid="0000-0002-5039-5405">Bijay Jassal</person>
 	<person role="designer" url="https://graphsolutions.co.uk">Cristoffer Sevilla</person>
 	<name>THERAPEUTICS</name>
 	<description>Graphic representation of therapeutic drugs</description>
 	<info>https://reactome.org/icon-info</info>
-</metadata>
+</metadata>