Revert r358405: "[llvm-objdump] Align instructions to a tab stop in disassembly output"

The test fails on darwin due to a sed error:

sed: 1: "y/\t/ /": transform strings are not the same length
llvm-svn: 358459

Author: hyp

llvm/test/tools/llvm-objdump/X86/disassemble-align.s

@@ -595,25 +595,12 @@ class PrettyPrinter {
                          std::vector<RelocationRef> *Rels = nullptr) {
     if (SP && (PrintSource || PrintLines))
       SP->printSourceLine(OS, Address);
-
-    {
-      formatted_raw_ostream FOS(OS);
-      if (!NoLeadingAddr)
-        FOS << format("%8" PRIx64 ":", Address.Address);
-      if (!NoShowRawInsn) {
-        FOS << ' ';
-        dumpBytes(Bytes, FOS);
-      }
-      FOS.flush();
-      // The output of printInst starts with a tab. Print some spaces so that
-      // the tab has 1 column and advances to the target tab stop.
-      unsigned TabStop = NoShowRawInsn ? 16 : 40;
-      unsigned Column = FOS.getColumn();
-      FOS.indent(Column < TabStop - 1 ? TabStop - 1 - Column : 7 - Column % 8);
-
-      // The dtor calls flush() to ensure the indent comes before printInst().
+    if (!NoLeadingAddr)
+      OS << format("%8" PRIx64 ":", Address.Address);
+    if (!NoShowRawInsn) {
+      OS << "\t";
+      dumpBytes(Bytes, OS);
     }
-
     if (MI)
       IP.printInst(MI, OS, "", STI);
     else