[Refactor] Remove 'test statistics' #15695

Job	Run time
Build - UI Platform	2m 5s
Filter	6s
Style [pre-commit]	28s
Style [Documentation]	34s
Tests - Migrations [PostgreSQL]	0s
Tests - Full Migration [SQLite]	0s
Tests - API Schema Documentation	4m 31s
Style - Classic UI [JS]	1m 25s
Tests - DB [MySQL]	12m 28s
Tests - Platform UI	22m 22s
Tests - DB [SQLite] + Coverage 3.9	14m 52s
Tests - DB [PostgreSQL]	14m 29s
Tests - inventree-python	5m 9s
Push new schema	0s
	1h 18m 29s

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