elements.kmd: Fix missed kmf in maven.groupId
elements.kmd: Fix missed kmf in maven.groupId

Change-Id: I0b7187785aecc4cc8a827c3ebfe39c1feaf51529

shelsonjava/kms-elements,Kurento/kms-elements,shelsonjava/kms-elements,TribeMedia/kms-elements,Kurento/kms-elements,TribeMedia/kms-elements,Kurento/kms-elements,shelsonjava/kms-elements,TribeMedia/kms-elements