[Button] Remove connectedDisclosure (#10182)

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### WHY are these changes introduced?

Fixes #10126

<!--
  Context about the problem that’s being addressed.
-->

### WHAT is this pull request doing?

Removes all code related to connectedDisclosure
Updates the split example to use Popover, ActionList, and ButtonGroup

Author: kyledurand

.changeset/honest-stingrays-act.md

@@ -0,0 +1,5 @@
+---
+'@shopify/polaris': major
+---
+
+Removed connectedDislosure prop on button

documentation/guides/migrating-from-v11-to-v12.md

@@ -53,4 +53,5 @@ Secondary, becomes oneThird:
 `npx @shopify/polaris-migrator react-rename-component <path> --renameFrom="HorizontalGrid" --renameTo="InlineGrid" --renamePropsFrom="HorizontalGridProps" --renamePropsTo="InlineGridProps"`
 
 **Button**
-// TODO
+
+- connectedDisclosure: [See the updated split example](https://polaris.shopify.com/components/actions/button)

polaris-react/locales/cs.json

@@ -30,8 +30,7 @@
       "dismissButton": "Zavřít notifikaci"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Načítání",
-      "connectedDisclosureAccessibilityLabel": "Související akce"
+      "spinnerAccessibilityLabel": "Načítání"
     },
     "Common": {
       "checkbox": "zaškrtávací pole",

polaris-react/locales/da.json

@@ -30,8 +30,7 @@
       "dismissButton": "Afvis meddelelse"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Indlæser",
-      "connectedDisclosureAccessibilityLabel": "Relaterede handlinger"
+      "spinnerAccessibilityLabel": "Indlæser"
     },
     "Common": {
       "checkbox": "afkrydsningsfelt",

polaris-react/locales/de.json

@@ -30,8 +30,7 @@
       "dismissButton": "Benachrichtigung verwerfen"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Wird geladen",
-      "connectedDisclosureAccessibilityLabel": "Ähnliche Aktionen"
+      "spinnerAccessibilityLabel": "Wird geladen"
     },
     "Common": {
       "checkbox": "Kontrollkästchen",

polaris-react/locales/en.json

@@ -38,8 +38,7 @@
       "dismissButton": "Dismiss notification"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Loading",
-      "connectedDisclosureAccessibilityLabel": "Related actions"
+      "spinnerAccessibilityLabel": "Loading"
     },
     "Common": {
       "checkbox": "checkbox",

polaris-react/locales/es.json

@@ -30,8 +30,7 @@
       "dismissButton": "Descartar notificación"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Cargando",
-      "connectedDisclosureAccessibilityLabel": "Acciones relacionadas"
+      "spinnerAccessibilityLabel": "Cargando"
     },
     "Common": {
       "checkbox": "casilla de verificación",

polaris-react/locales/fi.json

@@ -30,8 +30,7 @@
       "dismissButton": "Ohita ilmoitus"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Ladataan",
-      "connectedDisclosureAccessibilityLabel": "Aiheeseen liittyvät toimenpiteet"
+      "spinnerAccessibilityLabel": "Ladataan"
     },
     "Common": {
       "checkbox": "valintaruutu",

polaris-react/locales/fr.json

@@ -30,8 +30,7 @@
       "dismissButton": "Rejeter la notification"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Chargement en cours",
-      "connectedDisclosureAccessibilityLabel": "Actions associées"
+      "spinnerAccessibilityLabel": "Chargement en cours"
     },
     "Common": {
       "checkbox": "case à cocher",

polaris-react/locales/it.json

@@ -30,8 +30,7 @@
       "dismissButton": "Elimina notifica"
     },
     "Button": {
-      "spinnerAccessibilityLabel": "Caricamento in corso",
-      "connectedDisclosureAccessibilityLabel": "Azioni correlate"
+      "spinnerAccessibilityLabel": "Caricamento in corso"
     },
     "Common": {
       "checkbox": "casella di spunta",