Merge branch 'cleenup/deprecate-dune-disj-conj-neg-typetraits' into 'master'

Cleanup/deprecate dune disj conj neg typetraits

See merge request !972 (merged)

(cherry picked from commit 47b6d772)

333027ad [test] Remove test of outdated typetraits which are no replaced by standard library features b03a0553 [typetraits] Deprecated and replace occurrences of Dune::Std::conjunction/disjuction/negation

added 9 commits

• f54750f5 - [typetraits] Derive AlwaysTrue/False from std::true/false_type
• feaf3833 - [std/typetraits] Deprecate Dune::Std::to_false/true_type. Use Dune::AlwaysFalse/True
• 0cc55ca0 - [python][generator] Consider holder type
• bf619b87 - Merge branch 'fix/python-generator-holder-type' into 'master'
• 1512e529 - Merge branch 'cleanup/deprecate-to-true-false-type' into 'master'
• 333027ad - [test] Remove test of outdated typetraits which are no replaced by standard library features
• b03a0553 - [typetraits] Deprecated and replace occurrences of Dune::Std::conjunction/disjuction/negation
• ceea0683 - Implement backports Std::conjunction, Std::disjunction and Std::negation in...
• a5f7de79 - Merge branch 'cleenup/deprecate-dune-disj-conj-neg-typetraits' into cherry-pick-47b6d772

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added 1 commit

• 34f057f0 - Remove changes to generator.py

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closed