Revert "clover: Fix build against clang SVN >= r265359"

This reverts commit 0daab9878d.

The corresponding clang change was reverted.

Trivial.

src/gallium/state_trackers/clover/llvm/invocation.cpp

@@ -206,9 +206,6 @@ namespace {
       // http://www.llvm.org/bugs/show_bug.cgi?id=19735
       c.getDiagnosticOpts().ShowCarets = false;
       c.getInvocation().setLangDefaults(c.getLangOpts(), clang::IK_OpenCL,
-#if HAVE_LLVM >= 0x0309
-                                        llvm::Triple(triple),
-#endif
                                         clang::LangStandard::lang_opencl11);
       c.createDiagnostics(
                           new clang::TextDiagnosticPrinter(