Update 25-number.md

Author: sajidhamdard

notes/English/25-number.md

@@ -14,8 +14,6 @@ console.log(typeof num); // Output: "number"
 
 In JavaScript, converting numbers involves changing a number from one data type to another, such as converting a number to a string or converting a string to a number
 
-### Converting numbers in javaScript
-
 In JavaScript, you can convert numbers to strings and vice versa using the following methods:
 
 - toString():