Remove dead code

Verified with

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

Followed-up with a lint check.

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

internal/pkg/node/helper.go

@@ -1,16 +0,0 @@
-package node
-
-/*
-helper functions
-*/
-
-// string which is printed if no value is set
-const NoValue = "--"
-
-// print NoValue if string is empty
-func PrintVal(in string) (out string) {
-	if in != "" {
-		return in
-	}
-	return NoValue
-}

internal/pkg/node/methods.go

@@ -82,40 +82,6 @@ func FilterProfileListByName(set []ProfileConf, searchList []string) []ProfileCo
 	return ret
 }
 
-/*
-Filter a given map of NodeConf against given regular expression.
-*/
-func FilterNodeMapByName(inputMap map[string]*NodeConf, searchList []string) (retMap map[string]*NodeConf) {
-	retMap = map[string]*NodeConf{}
-	if len(searchList) > 0 {
-		for _, search := range searchList {
-			for name, nConf := range inputMap {
-				if match, _ := regexp.MatchString("^"+search+"$", name); match {
-					retMap[name] = nConf
-				}
-			}
-		}
-	}
-	return retMap
-}
-
-/*
-Filter a given map of ProfileConf against given regular expression.
-*/
-func FilterProfileMapByName(inputMap map[string]*ProfileConf, searchList []string) (retMap map[string]*ProfileConf) {
-	retMap = map[string]*ProfileConf{}
-	if len(searchList) > 0 {
-		for _, search := range searchList {
-			for name, nConf := range inputMap {
-				if match, _ := regexp.MatchString("^"+search+"$", name); match {
-					retMap[name] = nConf
-				}
-			}
-		}
-	}
-	return retMap
-}
-
 /*
 Creates an NodeConf with the given id. Doesn't add it to the database
 */