Revert "log debug information for sensor threshold assert events"

This reverts commit 9bf6804c2d76b92005ad9851cb052d407ea3117f.
This causes ipmbsensor crash

Change-Id: I8517d801ea1598b190c140f317ef29d1bc172ee0
Signed-off-by: Zhikui Ren <zhikui.ren@intel.com>
diff --git a/src/TachSensor.cpp b/src/TachSensor.cpp
index acfe659..ba3b0a1 100644
--- a/src/TachSensor.cpp
+++ b/src/TachSensor.cpp
@@ -149,9 +149,9 @@
             try
             {
                 std::getline(responseStream, response);
-                rawValue = std::stod(response);
+                double nvalue = std::stod(response);
                 responseStream.clear();
-                updateValue(rawValue);
+                updateValue(nvalue);
             }
             catch (const std::invalid_argument&)
             {