Remove Tutorial package: run2-patches

Copy of !636 (merged) for run2-patches

added all-slots cleanup labels

• [2020-06-20 00:12] Validation started with lhcb-run2-patches-dev4#365
• [2020-06-20 00:17] Validation started with lhcb-run2-patches#755
• [2020-06-21 00:14] Validation started with lhcb-run2-patches-dev4#366
• [2020-06-22 00:11] Validation started with lhcb-run2-patches-dev4#367
• [2020-06-22 10:14] Validation started with lhcb-run2-patches-mr#6
• [2020-06-22 10:17] Validation started with lhcb-run2-patches-ref#6
• [2020-06-23 00:10] Validation started with lhcb-run2-patches-dev4#368
• [2020-06-23 00:16] Validation started with lhcb-run2-patches#756
• [2020-06-23 11:49] Validation started with lhcb-run2-patches-ref#7
• [2020-06-23 11:53] Validation started with lhcb-run2-patches-mr#7
• [2020-06-24 00:10] Validation started with lhcb-run2-patches-dev4#369
• [2020-06-24 00:14] Validation started with lhcb-run2-patches#757

I would say this should be ported to all legacy branches. I'll do it when this is merged.

removed all-slots label

merged

mentioned in commit e3b20049