Remove OCR Manager class

Closes #173 (closed)

changed milestone to %DAN-P5: Improve training

added P3 Quick Win labels

requested review from @mboillet

assigned to @yschneider

requested review from @starride and removed review request for @mboillet

added 3 commits

• e41d8e79...5be2ec35 - 2 commits from branch main
• a867d9d3 - Remove OCR Manager class

Compare with previous version

requested review from @mblanco and removed review request for @starride

added 3 commits

• a867d9d3...1dcb6c01 - 2 commits from branch main
• 8d2097ab - Remove OCR Manager class

Compare with previous version

merged