chore!: remove cms specific components (#1703)

Author: madhurisandbhor

.changeset/smooth-bananas-tie.md

@@ -0,0 +1,12 @@
+---
+'@strapi/design-system': major
+---
+
+chore!: removed CMS specific components.The following components have been removed from DS and moved to CMS where it belongs.
+
+- `Layout`
+- `HeaderLayout`
+- `TwoColsLayout`
+- `GridLayout`
+- `ActionLayout`
+- `ContentLayout`