mysqld_safe: don't use "$DATADIR/my.cnf"

finally removed, after being deprecated since 2005

scripts/mysqld_safe.sh

@@ -550,10 +550,6 @@ fi
 if test -d $MY_BASEDIR_VERSION/data/mysql
 then
   DATADIR=$MY_BASEDIR_VERSION/data
-  if test -z "$defaults" -a -r "$DATADIR/my.cnf"
-  then
-    defaults="--defaults-extra-file=$DATADIR/my.cnf"
-  fi
 # Next try where the source installs put it
 elif test -d $MY_BASEDIR_VERSION/var/mysql
 then
@@ -565,23 +561,13 @@ fi
 
 if test -z "$MYSQL_HOME"
 then 
-  if test -r "$MY_BASEDIR_VERSION/my.cnf" && test -r "$DATADIR/my.cnf"
-  then
-    log_error "WARNING: Found two instances of my.cnf -
-$MY_BASEDIR_VERSION/my.cnf and
-$DATADIR/my.cnf
-IGNORING $DATADIR/my.cnf"
-
-    MYSQL_HOME=$MY_BASEDIR_VERSION
-  elif test -r "$DATADIR/my.cnf"
+  if test -r "$DATADIR/my.cnf"
   then
     log_error "WARNING: Found $DATADIR/my.cnf
-The data directory is a deprecated location for my.cnf, please move it to
+The data directory is not a valid location for my.cnf, please move it to
 $MY_BASEDIR_VERSION/my.cnf"
-    MYSQL_HOME=$DATADIR
-  else
-    MYSQL_HOME=$MY_BASEDIR_VERSION
   fi
+  MYSQL_HOME=$MY_BASEDIR_VERSION
 fi
 export MYSQL_HOME