HBASE-28506 Remove hbase-compression-xz (#5811)

Signed-off-by: Bryan Beaudreault <[email protected]>
Signed-off-by: Duo Zhang <[email protected]>

Conflicts:
	hbase-compression/hbase-compression-xz/pom.xml
	hbase-compression/hbase-compression-xz/src/test/java/org/apache/hadoop/hbase/io/compress/xz/TestHFileCompressionLzma.java

Author: apurtell

hbase-assembly/pom.xml

@@ -184,10 +184,6 @@
       <groupId>org.apache.hbase</groupId>
       <artifactId>hbase-compression-snappy</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.apache.hbase</groupId>
-      <artifactId>hbase-compression-xz</artifactId>
-    </dependency>
     <dependency>
       <groupId>org.apache.hbase</groupId>
       <artifactId>hbase-compression-zstd</artifactId>