Revert "SWDEV-433371 - use comgr to unbundle code objects"

This reverts commit e53df57ffe.

Reason for revert: <INSERT REASONING HERE>
New comgr unbundling action leads to perf drop for uncompressed code object.   Will create a new patch to use old path for uncompressed , new unbundling api for compressed . 

Change-Id: I41ef53b71fc9f7aaa8cf231d4d70945f1117db52

hipamd/src/hip_module.cpp

@@ -66,6 +66,10 @@ hipError_t hipModuleLoadDataEx(hipModule_t* module, const void* image, unsigned
   HIP_RETURN(PlatformState::instance().loadModule(module, 0, image));
 }
 
+extern hipError_t __hipExtractCodeObjectFromFatBinary(
+    const void* data, const std::vector<std::string>& devices,
+    std::vector<std::pair<const void*, size_t>>& code_objs);
+
 hipError_t hipModuleGetFunction(hipFunction_t* hfunc, hipModule_t hmod, const char* name) {
   HIP_INIT_API(hipModuleGetFunction, hfunc, hmod, name);