[NFC][HWASAN][UBSAN] Remove cl:init from few opts (llvm#87692)

They are supposed to be used with `getNumOccurrences`.

Author: vitalybuka

llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp

@@ -191,7 +191,7 @@ static cl::opt<int> ClHotPercentileCutoff("hwasan-percentile-cutoff-hot",
                                           cl::desc("Hot percentile cuttoff."));
 
 static cl::opt<float>
-    ClRandomSkipRate("hwasan-random-skip-rate", cl::init(0),
+    ClRandomSkipRate("hwasan-random-skip-rate",
                      cl::desc("Probability value in the range [0.0, 1.0] "
                               "to skip instrumentation of a function."));
 

llvm/lib/Transforms/Instrumentation/RemoveTrapsPass.cpp

@@ -26,7 +26,7 @@ static cl::opt<int> HotPercentileCutoff("remove-traps-percentile-cutoff-hot",
                                         cl::desc("Hot percentile cuttoff."));
 
 static cl::opt<float>
-    RandomRate("remove-traps-random-rate", cl::init(0.0),
+    RandomRate("remove-traps-random-rate",
                cl::desc("Probability value in the range [0.0, 1.0] of "
                         "unconditional pseudo-random checks removal."));