[libFuzzer][Windows] Remove misspelled and non-existent ASan option from the docs.

TBR=inferno@chromium.org,metzman@chromium.org

Bug: 539572
Change-Id: I600b9d777607f7b9be9e8e8065d3d2be029e138f
Reviewed-on: https://chromium-review.googlesource.com/c/1351280Reviewed-by: Max Moroz <mmoroz@chromium.org>
Reviewed-by: Abhishek Arya <inferno@chromium.org>
Commit-Queue: Max Moroz <mmoroz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610934}

testing/libfuzzer/reproducing_on_windows.md

@@ -33,7 +33,7 @@ Here is an example value of `ASAN_OPTIONS` that is similar to its value on
 ClusterFuzz:
 
 ```
-set ASAN_OPTIONS=redzone=256:print_summary=1:handle_sigill=1:strict_string_check=1:allocator_release_to_os_interval_ms=500:print_suppressions=0:strict_memcmp=1:allow_user_segv_handler=0:use_sigaltstack=1:handle_sigfpe=1:handle_sigbus=1:detect_stack_use_after_return=0:alloc_dealloc_mismatch=0:detect_leaks=0:print_scariness=1:allocator_may_return_null=1:handle_abort=1:check_malloc_usable_size=0:detect_container_overflow=0:quarantine_size_mb=256:detect_odr_violation=0:symbolize=1:handle_segv=1:fast_unwind_on_fatal=1
+set ASAN_OPTIONS=redzone=256:print_summary=1:handle_sigill=1:allocator_release_to_os_interval_ms=500:print_suppressions=0:strict_memcmp=1:allow_user_segv_handler=0:use_sigaltstack=1:handle_sigfpe=1:handle_sigbus=1:detect_stack_use_after_return=0:alloc_dealloc_mismatch=0:detect_leaks=0:print_scariness=1:allocator_may_return_null=1:handle_abort=1:check_malloc_usable_size=0:detect_container_overflow=0:quarantine_size_mb=256:detect_odr_violation=0:symbolize=1:handle_segv=1:fast_unwind_on_fatal=1
 ```
 
 5. Run the fuzzer: