Revert fix applied on the wrong branch (lp_temp_sensors)

Revert "Added null check for count in _lp_temp_sensors() to stop division by zero errors in case count is still zero."
Closes #214.
Thanks @jaesivsm

This reverts commit 9d96a82c807149c7077baa546e18e9dadb7e7c37.

Conflicts:
	liquidprompt

liquidprompt

@@ -1299,11 +1299,7 @@ _lp_temp_sensors() {
             temperature=$i
         fi
     done
-    if [[ $count -ne 0 ]] ; then
-        echo -ne "$(($temperature/$count))"
-    else
-        exit
-    fi
+    echo -ne "$(($temperature/$count))"
 }
 
 # Will set _LP_TEMP_FUNCTION so the temperature monitoring feature use an