Squashed 'cwltool/schemas/' changes from c6538ab..afe31c1

afe31c1 Delete obsolote initialWorkDir record from previous work on Directory implemention.

git-subtree-dir: cwltool/schemas
git-subtree-split: afe31c1

Author: Peter Amstutz

draft-4/CommandLineTool.yml

@@ -224,17 +224,6 @@ $graph:
         the File objects must include up to the first 64 KiB of file contents
         in the `contents` field.
 
-- name: initialWorkDir
-  type: record
-  doc: |
-    Setup a working directory based on a number of input files (and/or directories)
-  fields:
-    - name: dirDef
-      type:
-        type: "array"
-        items: [ "#FileDef", "#File", "#Directory" ]
-      doc: list of files and/or directories
-
 
 - name: CommandInputRecordField
   type: record