Update routes 80 and 81 to PTv2; add name:en for some roads

Add winter variants for route 74 and name:en for some roads

(minor) remove fixme and erroneous name

Fix issues with route 74

Updated route: Bus 74 Iż-Żurrieq - Valletta, #7456567

Fix issues with route 74

Updated route: Bus 74 Valletta - Iż-Żurrieq, #7456566

Updated route: Bus 73 Iż-Żurrieq - Valletta, #7456789

Updated route: Bus 73 Iż-Żurrieq (Xarolla) - Valletta, #7456787

Update bus stop positions, refs, and names; add new stop

Updated route: Bus 73 Valletta - Iż-Żurrieq, #7456788

Updated route: Bus 73 Iż-Żurrieq - Valletta, #7456789

Updated route: Bus 73 Iż-Żurrieq (Xarolla) - Valletta, #7456787

Updated route: Bus 72 Valletta - Il-Qrendi, #7457764

Add missing stop to route 72 and fix ref for stop 'Chircop'

Updated route: Bus 72 Il-Qrendi - Valletta, #7457763

Add new stops to route 72 and fix to: tags in routes

Updated route: Bus 72 Il-Qrendi - Valletta, #7457763

Updated route: Bus 71 Valletta - Iż-Żurrieq, #17786999

Updated route: Bus 71 Iż-Żurrieq - Valletta, #7456861