Revert "[SanitizeCoverage] Enable stack-depth coverage for -fsanitize=fuzzer"

This reverts r311801 due to a bot failure.

llvm-svn: 311803
diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index 7086ee3..a37d0b6 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -290,11 +290,10 @@
       if (Add & Fuzzer)
         Add |= FuzzerNoLink;
 
-      // Enable coverage and stack depth tracking if the fuzzing flag is set.
+      // Enable coverage if the fuzzing flag is set.
       if (Add & FuzzerNoLink)
         CoverageFeatures |= CoverageTracePCGuard | CoverageIndirCall |
-                            CoverageTraceCmp | CoveragePCTable |
-                            CoverageStackDepth;
+                            CoverageTraceCmp | CoveragePCTable;
 
       Kinds |= Add;
     } else if (Arg->getOption().matches(options::OPT_fno_sanitize_EQ)) {