Uop symbolics rewrite rules

[DKormann]

• [x] test_lt
• [x] test_ge
• [x] test_lt_remove
• [x] test_ge_remove
• [x] test_ge_divides

[DKormann]

would like to get this mergeable and meanwhile continue in new draft

[geohot]

See chenyu's comment above, you can't put NumNode into UOp

[github-actions[bot]]

Changes

Name                        Lines    Diff    Tokens/Line    Diff
------------------------  -------  ------  -------------  ------
tinygrad/codegen/uops.py      420     +37           20.7    +0.2


total lines changes: +37

[DKormann]

See chenyu's comment above, you can't put NumNode into UOp

so I just remove NumNode completely how's that

[DKormann]

could remove Node and Variable too only TempVar would be annoying to remove until refactor of how we use Variable Uops more generally

[chenyuxyz]

done in master