Remove unused IterConcept from iterator_interface #30

Job	Run time
Unit: Ubuntu GNU Default	27s
CMake: Enum Flags design with Copyable option	54s
Unit: Ubuntu GNU MaxSan	1m 14s
Compiler: GNU 14	21s
CMake: Enum Flags design with Move-Only option	25s
Unit: Ubuntu LLVM Default	29s
Compiler: GNU 13	27s
Unit: Ubuntu LLVM MaxSan	45s
CMake: Range Traits design with Copyable option	30s
Compiler: GNU 12	38s
Unit: Windows MSVC Default	1m 27s
CMake: Range Traits design with Move-Only option	28s
Compiler: LLVM 20	42s
Unit: Windows MSVC MaxSan	1m 41s
Compiler: LLVM 19	41s
CMake: Named Template Arguments design with Copyable option	30s
Unit: Macos Appleclang Default	42s
Compiler: LLVM 18	40s
CMake: Named Template Arguments design with Move-Only option	24s
Unit: Macos Appleclang MaxSan	49s
Compiler: LLVM 17	1m 44s
create-issue-when-fault	0s
	15m 58s

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