Deleted experiments/images/.gitkeep, experiments/images/pop_10e4.png,...

Deleted experiments/images/.gitkeep, experiments/images/pop_10e4.png, experiments/images/pop_10e5.png, experiments/images/pop_pattern_metric.png, experiments/images/speedup.png, experiments/images/speedup_10e4.png, experiments/images/speedup_10e5.png, experiments/images/speedup_large.png, experiments/images/speedup_small.png, experiments/.gitkeep, experiments/experiments_best_practice.md, experiments/experiments_pattern.md, programs/comm-comp-trade-off.md, versions/comm-comp-trade-off_v1.md, versions/comm-comp-trade-off_v2.md files