maven: remove imbjava i386 arch

only imbjava supports it and we are copying
the maven commands from eclipse-temurin

library/maven

@@ -63,7 +63,7 @@ GitCommit: ba0653e9cbde55b7806b4b99a5afcbf7ca8485d7
 Directory: eclipse-temurin-8-focal
 
 Tags: 3.9.0-ibmjava-8, 3.9.0-ibmjava, 3.9-ibmjava-8, 3.9-ibmjava, 3-ibmjava-8, 3-ibmjava, ibmjava
-Architectures: amd64, i386, ppc64le, s390x
+Architectures: amd64, ppc64le, s390x
 GitCommit: ba0653e9cbde55b7806b4b99a5afcbf7ca8485d7
 Directory: ibmjava-8