[Polly] Fix misleading debug message. NFC.

The number of parameters can be the reason for aliasing checks not being
generated, but most of the time it for other reasons.

Author: Meinersbur

polly/lib/Analysis/ScopBuilder.cpp

@@ -3407,13 +3407,8 @@ bool ScopBuilder::buildAliasChecks() {
   // we make the assumed context infeasible.
   scop->invalidate(ALIASING, DebugLoc());
 
-  LLVM_DEBUG(
-      dbgs() << "\n\nNOTE: Run time checks for " << scop->getNameStr()
-             << " could not be created as the number of parameters involved "
-                "is too high. The SCoP will be "
-                "dismissed.\nUse:\n\t--polly-rtc-max-parameters=X\nto adjust "
-                "the maximal number of parameters but be advised that the "
-                "compile time might increase exponentially.\n\n");
+  LLVM_DEBUG(dbgs() << "\n\nNOTE: Run time checks for " << scop->getNameStr()
+                    << " could not be created. This SCoP has been dismissed.");
   return false;
 }