Remove dead code

Verified with

```
deadcode -test ./...
```

Followed-up with a lint check.

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

internal/pkg/api/node/edit.go

@@ -10,25 +10,6 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-/*
-Returns the nodes as a yaml string
-*/
-func FindAllNodeConfs() *wwapiv1.NodeYaml {
-	nodeDB, err := node.New()
-	if err != nil {
-		wwlog.Error("Could not open nodeDB: %s\n", err)
-		os.Exit(1)
-	}
-	nodeMap, _ := nodeDB.FindAllNodes()
-	// ignore err as nodeDB should always be correct
-	buffer, _ := yaml.Marshal(nodeMap)
-	retVal := wwapiv1.NodeYaml{
-		NodeConfMapYaml: string(buffer),
-		Hash:            nodeDB.StringHash(),
-	}
-	return &retVal
-}
-
 /*
 Returns filtered list of nodes
 */