I20200917-1800
Define maven-toolchains-plguin in pluginManagement and hook execution phase there. Bump version to latest version of the plugin. Remove redundant information from modules poms after that. Change-Id: I5c9bbb91b2317f970f283530acdef10ac1c12461 Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>