Chore: Remove unused Go code (#28852)

* Chore: Remove more unused Go code

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/models/plugin_setting_cache_test.go

@@ -9,9 +9,17 @@ import (
 	"github.com/grafana/grafana/pkg/components/securejsondata"
 )
 
+// clearPluginSettingDecryptionCache clears the datasource decryption cache.
+func clearPluginSettingDecryptionCache() {
+	pluginSettingDecryptionCache.Lock()
+	defer pluginSettingDecryptionCache.Unlock()
+
+	pluginSettingDecryptionCache.cache = make(map[int64]cachedDecryptedJSON)
+}
+
 func TestPluginSettingDecryptionCache(t *testing.T) {
 	t.Run("When plugin settings hasn't been updated, encrypted JSON should be fetched from cache", func(t *testing.T) {
-		ClearPluginSettingDecryptionCache()
+		clearPluginSettingDecryptionCache()
 
 		ps := PluginSetting{
 			Id:       1,
@@ -22,7 +30,7 @@ func TestPluginSettingDecryptionCache(t *testing.T) {
 		}
 
 		// Populate cache
-		password, ok := ps.DecryptedValue("password")
+		password, ok := ps.DecryptedValues()["password"]
 		require.Equal(t, "password", password)
 		require.True(t, ok)
 
@@ -35,7 +43,7 @@ func TestPluginSettingDecryptionCache(t *testing.T) {
 	})
 
 	t.Run("When plugin settings is updated, encrypted JSON should not be fetched from cache", func(t *testing.T) {
-		ClearPluginSettingDecryptionCache()
+		clearPluginSettingDecryptionCache()
 
 		ps := PluginSetting{
 			Id:       1,
@@ -46,7 +54,7 @@ func TestPluginSettingDecryptionCache(t *testing.T) {
 		}
 
 		// Populate cache
-		password, ok := ps.DecryptedValue("password")
+		password, ok := ps.DecryptedValues()["password"]
 		require.Equal(t, "password", password)
 		require.True(t, ok)
 
@@ -55,7 +63,7 @@ func TestPluginSettingDecryptionCache(t *testing.T) {
 		})
 		ps.Updated = time.Now()
 
-		password, ok = ps.DecryptedValue("password")
+		password, ok = ps.DecryptedValues()["password"]
 		require.Empty(t, password)
 		require.True(t, ok)
 	})