Format code with prettier (#3375)

src/main/java/com/thealgorithms/conversions/OctalToHexadecimal.java

@@ -47,7 +47,6 @@ public class OctalToHexadecimal {
     }
 
     public static void main(String args[]) {
-
         Scanner input = new Scanner(System.in);
         System.out.print("Enter the Octal number: ");
         // Take octal number as input from user in a string