Replace libdparse with DMD in IfConstraintsIndentCheck #557

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 43s
Run all tests (dmd-latest, dmd, ubuntu-22.04, dub, min libdparse)	1m 42s
Run all tests (dmd-latest, dmd, windows-latest, make)	2m 11s
Run all tests (dmd-latest, dmd, windows-latest, dub, current)	2m 52s
Run all tests (dmd-latest, dmd, windows-latest, dub, min libdparse)	2m 53s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, make)	3m 44s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, dub, current)	2m 15s
Run all tests (ldc-latest, ldmd2, ubuntu-22.04, dub, min libdparse)	2m 1s
Run all tests (ldc-latest, ldmd2, macos-latest, make)	4m 58s
Run all tests (ldc-latest, ldmd2, macos-latest, dub, current)	2m 23s
Run all tests (ldc-latest, ldmd2, macos-latest, dub, min libdparse)	2m 4s
Run all tests (ldc-latest, ldmd2, windows-latest, make)	6m 36s
Run all tests (ldc-latest, ldmd2, windows-latest, dub, current)	3m 33s
Run all tests (ldc-latest, ldmd2, windows-latest, dub, min libdparse)	4m 16s
Run all tests (dmd-latest, gdc-12, ubuntu-22.04, make)	8m 3s
Run all tests (dmd, macos-13, dub, current)	2m 54s
	56m 55s

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