revert changes

Author: anitahy73

Sprint-2/2-mandatory-errors/4.js

@@ -1,3 +1,2 @@
-const twelveHourClockTime = "8:53pm";
-const twentyFourHourClockTime = "20:53";
-// a variable name cannot start with a number and it will cause a SyntaxError
+const 12HourClockTime = "8:53pm";
+const 24hourClockTime = "20:53";