[Sport] Refine UI

[keamka]

• Remove "day" view
• Remove free, paid buttons
• Make trainings list more compact in height

• For some reason number of trainings is insufficient (only football trainings)
• Remove all gradients
• For each event move badges under the training header

• In training modal add training description
• In each training row centralize vertically all text

• Align the trainings schedule style with the Calendar on innohassle. Make the days list always start from today.

• Remove header from training list
• Make the tabs be higher (as on other pages)