Rename Accounts-V2 to Accounts (#7545)

* rename accounts v2

* rename keymanager and fix imports

* rename accounts-v2 instances

* imports

* build

* build fix

* deepsource

* fix up broken aliases

* imports

* gaz

* Update validator/accounts/accounts_import_test.go

Co-authored-by: Ivan Martinez <ivanthegreatdev@gmail.com>

* fmt

Co-authored-by: Ivan Martinez <ivanthegreatdev@gmail.com>

validator/accounts/iface/BUILD.bazel

@@ -0,0 +1,12 @@
+load("@prysm//tools/go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["wallet.go"],
+    importpath = "github.com/prysmaticlabs/prysm/validator/accounts/iface",
+    visibility = [
+        "//validator:__pkg__",
+        "//validator:__subpackages__",
+    ],
+    deps = ["//validator/keymanager:go_default_library"],
+)

validator/accounts/iface/wallet.go

@@ -0,0 +1,26 @@
+package iface
+
+import (
+	"context"
+	"io"
+
+	"github.com/prysmaticlabs/prysm/validator/keymanager"
+)
+
+// Wallet defines a struct which has capabilities and knowledge of how
+// to read and write important accounts-related files to the filesystem.
+// Useful for keymanagers to have persistent capabilities for accounts on-disk.
+type Wallet interface {
+	// Methods to retrieve wallet and accounts metadata.
+	AccountsDir() string
+	Password() string
+	SetPassword(newPass string)
+	// Read methods for important wallet and accounts-related files.
+	ReadEncryptedSeedFromDisk(ctx context.Context) (io.ReadCloser, error)
+	ReadFileAtPath(ctx context.Context, filePath string, fileName string) ([]byte, error)
+	// Write methods to persist important wallet and accounts-related files to disk.
+	WriteFileAtPath(ctx context.Context, pathName string, fileName string, data []byte) error
+	WriteEncryptedSeedToDisk(ctx context.Context, encoded []byte) error
+	// Method for initializing a new keymanager.
+	InitializeKeymanager(ctx context.Context, skipMnemonicConfirm bool) (keymanager.IKeymanager, error)
+}