Refactored asking for object count to be simpler, removed grid data from global (cause you can just ask game controller instead)

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Files	Coverage Δ
src/game/grid_data.js	0.00% <ø> (ø)
src/game/game_controller.js	0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes