Update build_opencv.sh

build_opencv.sh

@@ -18,19 +18,7 @@ else
 fi
 
 cleanup () {
-# https://stackoverflow.com/questions/226703/how-do-i-prompt-for-yes-no-cancel-input-in-a-linux-shell-script
-    while true ; do
-        echo "Do you wish to remove temporary build files in /tmp/build_opencv ? "
-        if ! [[ "$1" -eq "--test-warning" ]] ; then
-            echo "(Doing so may make running tests on the build later impossible)"
-        fi
-        read -p "Y/N " yn
-        case ${yn} in
-            [Yy]* ) rm -rf /tmp/build_opencv ; break;;
-            [Nn]* ) exit ;;
-            * ) echo "Please answer yes or no." ;;
-        esac
-    done
+    rm -rf /tmp/build_opencv ; 
 }
 
 setup () {