Revert "Don't match editor backup files in env...

This reverts commit 32eda4b92f.

I noticed today that environment.d files no longer seem to get sourced
by DIB. Reverting this commit fixes it.

Change-Id: I08a8feab541901c8fd0a803628f5aeb6c0eec598
Closes-bug: #1339116

elements/dib-run-parts/bin/dib-run-parts

@@ -73,11 +73,8 @@ PROFILE_DIR=$(mktemp -d /tmp/profiledir.XXXXXX)
 ENVIRONMENT_D_DIR=$target_dir/../environment.d
 
 if [ -d $ENVIRONMENT_D_DIR ] ; then
-    env_files=$(find $ENVIRONMENT_D_DIR \
+    for env_file in $ENVIRONMENT_D_DIR/* ; do
-        -maxdepth 1 -xtype f -printf '%f\n' | \
+        source $env_file
-        grep -E "^[0-9A-Za-z_\.-]+$")
-    for env_file in $env_files ; do
-        source $ENVIRONMENT_D_DIR/$env_file
     done
 fi