Drop javapackages-metadata.xml

XMvn 4.0.0 removed the feature of artifact resolution from JAVA_HOME,
so javapackages-metadata.xml is no longer relevant.

Author: mizdebsk

etc/javapackages-metadata.xml

@@ -135,7 +135,6 @@ inst_data target/rebuild-jar-repository.1 "${mandir}/man1"
 inst_data target/shade-jar.1 "${mandir}/man1"
 inst_data target/find-jar.1 "${mandir}/man1"
 
-inst_data etc/javapackages-metadata.xml "${datadir}/maven-metadata"
 inst_data configs/configuration.xml "${m2home}"
 
 if [ -z "$pyinterpreter" ]; then

install

@@ -1,7 +1,3 @@
-# Don't generate requires on jpackage-utils and java-headless for
-# provided pseudo-artifacts: com.sun:tools and sun.jdk:jconsole.
-%global __requires_exclude_from %{?__requires_exclude_from:%__requires_exclude_from|}/maven-metadata/javapackages-metadata.xml$
-
 # %{scl}-runtime requires us, not the other way
 %{?scl:%global __requires_exclude %{?__requires_exclude:%__requires_exclude|}^%{scl}-runtime$}