Revert "Switch to new vendor directory layout"

This reverts commit d5742209d3.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

vendor/github.com/Azure/go-ansiterm/csi_entry_state.go

@@ -1,49 +0,0 @@
-package ansiterm
-
-type CsiEntryState struct {
-	BaseState
-}
-
-func (csiState CsiEntryState) Handle(b byte) (s State, e error) {
-	logger.Infof("CsiEntry::Handle %#x", b)
-
-	nextState, err := csiState.BaseState.Handle(b)
-	if nextState != nil || err != nil {
-		return nextState, err
-	}
-
-	switch {
-	case sliceContains(Alphabetics, b):
-		return csiState.parser.Ground, nil
-	case sliceContains(CsiCollectables, b):
-		return csiState.parser.CsiParam, nil
-	case sliceContains(Executors, b):
-		return csiState, csiState.parser.execute()
-	}
-
-	return csiState, nil
-}
-
-func (csiState CsiEntryState) Transition(s State) error {
-	logger.Infof("CsiEntry::Transition %s --> %s", csiState.Name(), s.Name())
-	csiState.BaseState.Transition(s)
-
-	switch s {
-	case csiState.parser.Ground:
-		return csiState.parser.csiDispatch()
-	case csiState.parser.CsiParam:
-		switch {
-		case sliceContains(CsiParams, csiState.parser.context.currentChar):
-			csiState.parser.collectParam()
-		case sliceContains(Intermeds, csiState.parser.context.currentChar):
-			csiState.parser.collectInter()
-		}
-	}
-
-	return nil
-}
-
-func (csiState CsiEntryState) Enter() error {
-	csiState.parser.clear()
-	return nil
-}