Remove attribution from file headers, per discussion on llvmdev.

llvm-svn: 45418
diff --git a/llvm/lib/Target/PowerPC/PPCSchedule.td b/llvm/lib/Target/PowerPC/PPCSchedule.td
index 0e0fd82..d589414 100644
--- a/llvm/lib/Target/PowerPC/PPCSchedule.td
+++ b/llvm/lib/Target/PowerPC/PPCSchedule.td
@@ -2,8 +2,8 @@
 // 
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by James M. Laskey and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 // 
 //===----------------------------------------------------------------------===//