Replace libdparse with DMD in IfConstraintsIndentCheck #534

Job	Run time
Run all tests (dmd-latest, dmd, ubuntu-22.04, make)	2m 47s
Run all tests (dmd-latest, dmd, ubuntu-22.04, dub, current)	1m 20s
Run all tests (dmd-latest, dmd, ubuntu-22.04, dub, min libdparse)	1m 51s
Run all tests (dmd-latest, dmd, windows-latest, make)	2m 5s
Run all tests (dmd-latest, dmd, windows-latest, dub, current)	1m 59s
Run all tests (dmd-latest, dmd, windows-latest, dub, min libdparse)	2m 55s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, make)	3m 35s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, dub, current)	1m 42s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, dub, min libdparse)	2m 8s
Run all tests (ldc-latest, ldmd2, macos-latest, make)	4m 51s
Run all tests (ldc-latest, ldmd2, macos-latest, dub, current)	1m 48s
Run all tests (ldc-latest, ldmd2, macos-latest, dub, min libdparse)	2m 0s
Run all tests (ldc-latest, ldmd2, windows-latest, make)	5m 25s
Run all tests (ldc-latest, ldmd2, windows-latest, dub, current)	2m 57s
Run all tests (ldc-latest, ldmd2, windows-latest, dub, min libdparse)	3m 8s
Run all tests (dmd-latest, gdc-12, ubuntu-22.04, make)	7m 17s
Run all tests (dmd, macos-13, dub, current)	3m 4s
	50m 52s

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