refacotring the code

Author: shreefAhmedM

individual-shell-tools/awk/script-06-stretch.sh

@@ -6,9 +6,4 @@ set -euo pipefail
 
 # TODO: Write a command to output the total of adding together all players' first scores.
 # Your output should be exactly the number 54.
-awk '{
-    sum = 0
-    for (i = 3; i <= NF; i++)
-        sum += $i
-    print $1, sum
-}' scores-table.txt
+awk '{sum +=$3} END {print sum}' scores-table.txt