[committed] analyzer: eliminate dedupe_candidate [PR96374]

[Andreas Schwab]

I'm getting this link failure for all compilers:

analyzer/diagnostic-manager.o: In function `ana::diagnostic_manager::emit_saved_diagnostics(ana::exploded_graph const&)':
diagnostic-manager.cc:(.text+0xd350): undefined reference to `ana::exploded_path::exploded_path(ana::exploded_path const&)'

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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