Revert "[TOOLS] extract-patch-data: fix unbound variable error"

This reverts commit 01202898fe.

tools/extract-patch-data.sh

@@ -2,9 +2,6 @@
 
 set -euo pipefail
 
-MESSAGE=""
-LICENSE=""
-
 while read -r current_line; do
     if [[ $current_line =~ ^Filename:* ]]; then
         FILENAME=${current_line:9}
@@ -28,7 +25,7 @@ while read -r current_line; do
         break
 
     elif [ -n "$current_line" ]; then
-        if [ -n "$MESSAGE" ]; then
+        if [ -n  "$MESSAGE" ]; then
             MESSAGE+="<br>"
         fi
         MESSAGE+=$current_line
@@ -36,6 +33,12 @@ while read -r current_line; do
     fi
 done
 
+# echo FROM: $FROM
+# echo SUBJECT: $SUBJECT
+# echo DATE: $DATE
+# echo LICENSE: $LICENSE
+# echo -e MESSAGE: $MESSAGE
+
 echo "|**$SUBJECT**" \
      "<br><sub><nobr>$DATE</nobr>" \
      "<br>File: [$FILENAME](/build/patches/$FILENAME)" \