Revert "[lld][elf2] Fix hard coded entry address."

This reverts commit r247073.

It broke

    lld :: elf2/basic32be.s
    lld :: elf2/basic64be.s

llvm-svn: 247077
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index c41d034..ab98ddc 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -576,11 +576,7 @@
   auto &FirstObj = cast<ObjectFile<ELFT>>(*Symtab.getFirstELF());
   EHdr->e_machine = FirstObj.getEMachine();
   EHdr->e_version = EV_CURRENT;
-
-  llvm::DenseMap<StringRef, Symbol *>::const_iterator Entry =
-      Symtab.getSymbols().find("_start");
-
-  EHdr->e_entry = getSymVA(cast<DefinedRegular<ELFT>>(Entry->second->Body));
+  EHdr->e_entry = 0x401000;
   EHdr->e_phoff = sizeof(Elf_Ehdr_Impl<ELFT>);
   EHdr->e_shoff = SectionHeaderOff;
   EHdr->e_ehsize = sizeof(Elf_Ehdr_Impl<ELFT>);