[llvm] Add functionality to llvm-objcopy to remove prefixes (PR #79415)

[James Henderson via llvm-commits]

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@@ -218,6 +218,7 @@ struct CommonConfig {
   uint64_t PadTo = 0;
   StringRef SplitDWO;
   StringRef SymbolsPrefix;
+  StringRef SymbolsPrefixRemove;
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jh7370 wrote:

Please make sure that non-ELF formats complain when this option is used, in the same manner as `SymbolsPrefix`. See `ConfigManager.cpp` for this.

https://github.com/llvm/llvm-project/pull/79415