ControlHeightReduction: Remove assert check in shouldApply

Remove assertion checking for non-empty `ProfileSummaryInfo`.

Differential Revision: https://reviews.llvm.org/D133706

(cherry picked from commit 6d972ad2d8f1cfe22a61d1c4aed6089f0586b377)
diff --git a/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp b/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp
index adc007d..0d26621 100644
--- a/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ControlHeightReduction.cpp
@@ -406,7 +406,6 @@
     return CHRFunctions.count(F.getName());
   }
 
-  assert(PSI.hasProfileSummary() && "Empty PSI?");
   return PSI.isFunctionEntryHot(&F);
 }