[LegacyPM] Remove unused declaration initializeStripSymbolsPass

The corresponding function definition was removed by:

  commit 15977742d3ebba05a33a8eac3201ebba9c9f10e3
  Author: Arthur Eubanks <aeubanks@google.com>
  Date:   Tue Dec 20 13:36:20 2022 -0800

diff --git a/llvm/include/llvm/InitializePasses.h b/llvm/include/llvm/InitializePasses.h
index 1342a71..ac79d42 100644 (file)
--- a/llvm/include/llvm/InitializePasses.h
+++ b/llvm/include/llvm/InitializePasses.h
@@ -319,7 +319,6 @@ void initializeStackSlotColoringPass(PassRegistry&);
 void initializeStraightLineStrengthReduceLegacyPassPass(PassRegistry &);
 void initializeStripDebugMachineModulePass(PassRegistry &);
 void initializeStripGCRelocatesLegacyPass(PassRegistry &);
-void initializeStripSymbolsPass(PassRegistry&);
 void initializeStructurizeCFGLegacyPassPass(PassRegistry &);
 void initializeTailCallElimPass(PassRegistry&);
 void initializeTailDuplicatePass(PassRegistry&);