Split commons eclipse pde to remove UI dependency

[dvojtise]

Description

Adapt code to the split of org.eclipse.gemoc.commons.eclipse.pde plugin (org.eclipse.gemoc.commons.eclipse.pde and org.eclipse.gemoc.commons.eclipse.pde.ui

Reduce required dependencies of several plugins

Companion Pull Requests

• https://github.com/eclipse/gemoc-studio-commons/pull/1
• https://github.com/eclipse/gemoc-studio/pull/276
• https://github.com/eclipse/gemoc-studio-modeldebugging/pull/224
• https://github.com/eclipse/gemoc-studio-execution-java/pull/28
• https://github.com/eclipse/gemoc-studio-execution-moccml/pull/70