Remove aliases for `True_` and `False_` #294

Job	Run time
Coding Standards / Coding Standards (8.0)	39s
Code Coverage / Code Coverage	35s
Dependency analysis / Dependency Analysis (8.0)	20s
Unit test / Supported Versions Matrix	3s
Lint root / Lint yaml & Composer (8.0)	10s
Static analysis / Static Code Analysis (8.0)	1m 1s
Unit test / Tests (8.0, lowest)	53s
Unit test / Tests (7.4, locked)	58s
Unit test / Tests (8.0, highest)	52s
Unit test / Tests (7.4, lowest)	49s
Unit test / Tests (7.4, highest)	50s
Unit test / Tests (8.0, locked)	55s
Unit test / Tests (8.3, locked)	49s
Unit test / Tests (8.2, locked)	27s
Unit test / Tests (8.3, highest)	48s
Unit test / Tests (8.2, lowest)	54s
Unit test / Tests (8.2, highest)	47s
Unit test / Tests (8.3, lowest)	43s
Unit test / Tests (8.1, lowest)	55s
Unit test / Tests (8.1, highest)	41s
Unit test / Tests (8.4, lowest)	53s
Unit test / Tests (8.1, locked)	33s
Unit test / Tests (8.4, highest)	47s
Unit test / Tests (8.5, lowest)	53s
Unit test / Tests (8.5, locked)	47s
Unit test / Tests (8.4, locked)	1m 2s
Unit test / Tests (8.5, highest)	58s
	20m 2s

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