Removed graph regex

Removed unused and unmaintained original graph regex, which has been superseed by SinglePassGraphMatching.

changed milestone to %aidge v0.5.0

added Remove 🗑 label

assigned to @olivierbichler

added 3 commits

• 5eb89bab...4311cdd6 - 2 commits from branch dev
• e95e14cb - Removed graph regex

Compare with previous version

mentioned in commit c8cd6510

merged