refactor: cleanup `ShellSort`#5302

Merged

siriak merged 2 commits into

TheAlgorithms:masterfrom

alxkm:refactor/shell_sort

Jul 26, 2024

Commits on Jul 25, 2024

refactor: ShellSort refactoring, improving test according to general approach
Alex Klymenko
committed
checkstyle: remove redundant line
Alex Klymenko
committed