unhook t_vb_arbprogram.c code - it's going away

src/mesa/tnl/t_vb_program.c

@@ -44,6 +44,20 @@
 
 
 
+/**
+ * Called via ctx->Driver.ProgramStringNotify() after a new vertex program
+ * string has been parsed.
+ */
+void
+_tnl_program_string(GLcontext *ctx, GLenum target, struct gl_program *program)
+{
+   /* No-op.
+    * If we had derived anything from the program that was private to this
+    * stage we'd recompute/validate it here.
+    */
+}
+
+
 /*!
  * Private storage for the vertex program pipeline stage.
  */