remove obsoleted patch

clang-2.7-nodebug.patch

@@ -1,19 +0,0 @@
-Upstream revision 11011, fixing bug 6218:
-http://llvm.org/bugs/show_bug.cgi?id=6218
-
---- cfe/trunk/lib/Driver/Tools.cpp	2010/08/03 15:07:17	110110
-+++ cfe/trunk/lib/Driver/Tools.cpp	2010/08/03 16:14:14	110111
-@@ -1600,6 +1600,11 @@
-          it = Args.begin(), ie = Args.end(); it != ie; ++it) {
-     Arg *A = *it;
-     if (A->getOption().hasForwardToGCC()) {
-+      // Don't forward any -g arguments to assembly steps.
-+      if (isa<AssembleJobAction>(JA) &&
-+          A->getOption().matches(options::OPT_g_Group))
-+        continue;
-+
-       // It is unfortunate that we have to claim here, as this means
-       // we will basically never report anything interesting for
-       // platforms using a generic gcc, even if we are just using gcc
-
-