Kill unused llvmgccmajvers testing variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96906 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/lib/llvm.exp b/test/lib/llvm.exp
index 319cc11..941b4f1 100644
--- a/test/lib/llvm.exp
+++ b/test/lib/llvm.exp
@@ -47,7 +47,7 @@
 # cases.
 proc substitute { line test tmpFile } {
   global srcroot objroot srcdir objdir subdir target_triplet
-  global llvmgcc llvmgxx llvmgcc_version llvmgccmajvers ocamlopt
+  global llvmgcc llvmgxx llvmgcc_version ocamlopt
   global gccpath gxxpath compile_c compile_cxx link shlibext llvmlibsdir
   global llvmdsymutil valgrind grep gas bugpoint_topts
   set path [file join $srcdir $subdir]