remove the gpg stuff from hgeditor (superseded by the signing extension)

remove the gpg stuff from hgeditor (superseded by the signing extension)

remove the gpg stuff from hgeditor, update the comments to make it clear
it can be used to show a diff while commiting

--- a/hgeditor	Tue Dec 27 13:09:49 2005 -0600
+++ b/hgeditor	Tue Dec 27 13:12:53 2005 -0600
@@ -1,10 +1,7 @@
 #!/bin/sh
 #
-# This is an example of using HGEDITOR to automate the signing of
-# commits and so on.
-
-# change this to one to turn on GPG support
-SIGN=0
+# This is an example of using HGEDITOR to create of diff to review the
+# changes while commiting.
 
 # If you want to pass your favourite editor some other parameters
 # only for Mercurial, modify this:
@@ -43,12 +40,7 @@
     done
 )
 
-echo > "$HGTMP/msg"
-if [ "$SIGN" == "1" ]; then
-    MANIFEST=`grep '^HG: manifest hash' "$1" | cut -b 19-`
-    echo -e "\nmanifest hash: $MANIFEST" >> "$HGTMP/msg"
-fi
-grep -vE '^(HG: manifest hash .*)?$' "$1" >> "$HGTMP/msg"
+cat "$1" > "$HGTMP/msg"
 
 CHECKSUM=`md5sum "$HGTMP/msg"`
 if [ -s "$HGTMP/diff" ]; then
@@ -58,14 +50,6 @@
 fi
 echo "$CHECKSUM" | md5sum -c >/dev/null 2>&1 && exit 13
 
-if [ "$SIGN" == "1" ]; then
-    {
-        head -n 1 "$HGTMP/msg"
-        echo
-        grep -v "^HG:" "$HGTMP/msg" | gpg -t -a -u "${HGUSER}" --clearsign
-    } > "$HGTMP/msg.gpg" && mv "$HGTMP/msg.gpg" "$1"
-else
-    mv "$HGTMP/msg" "$1"
-fi
+mv "$HGTMP/msg" "$1"
 
 exit $?