Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit 6132a7641625e835babd0a2aa9b302ed2fb05f3e.
Revert "[maven-release-plugin] prepare release pcap4j-1.3.0"

This reverts commit 9d633d09f63c15acccbc0b4afa98f15ef4d215ed.