Fix assert in XCOFFObjectWriter related to program code csects.

Removed code that added program code csects to a collection as part
of addressing review comments, but I failed to update an assert affected
by the change before commiting.

llvm-svn: 369471
diff --git a/llvm/lib/MC/XCOFFObjectWriter.cpp b/llvm/lib/MC/XCOFFObjectWriter.cpp
index 79a94b1..94c9527 100644
--- a/llvm/lib/MC/XCOFFObjectWriter.cpp
+++ b/llvm/lib/MC/XCOFFObjectWriter.cpp
@@ -343,9 +343,7 @@
 }
 
 void XCOFFObjectWriter::writeSymbolTable() {
-  assert((ProgramCodeCsects.size() == 1 &&
-          ProgramCodeCsects.back().Syms.size() == 0) &&
-         ".text csects not handled yet.");
+  assert(ProgramCodeCsects.size() == 0 && ".text csects not handled yet.");
 
   // The BSS Section is special in that the csects must contain a single symbol,
   // and the contained symbol cannot be represented in the symbol table as a