Move to typical go project layout, fix golangci-lint warnings, update deps

vendor/github.com/power-devops/perfstat/lparstat.go

@@ -1,4 +1,3 @@
-//go:build aix
 // +build aix
 
 package perfstat
@@ -7,13 +6,11 @@ package perfstat
 #cgo LDFLAGS: -lperfstat
 
 #include <libperfstat.h>
-#include <sys/dr.h>
 */
 import "C"
 
 import (
 	"fmt"
-	"unsafe"
 )
 
 func PartitionStat() (*PartitionConfig, error) {
@@ -27,14 +24,3 @@ func PartitionStat() (*PartitionConfig, error) {
 	return &p, nil
 
 }
-
-func LparInfo() (*PartitionInfo, error) {
-	var pinfo C.lpar_info_format2_t
-
-	rc := C.lpar_get_info(C.LPAR_INFO_FORMAT2, unsafe.Pointer(&pinfo), C.sizeof_lpar_info_format2_t)
-	if rc != 0 {
-		return nil, fmt.Errorf("lpar_get_info() error")
-	}
-	p := lparinfo2partinfo(pinfo)
-	return &p, nil
-}