Remove the 'unstableSocialLinks' from themes that shouldn't have it (it's a Blockbase exclusive) (#6078)

block-canvas/parts/header.html

@@ -16,7 +16,7 @@
 		</div>
 		<!-- /wp:group -->
 	
-		<!-- wp:navigation {"__unstableLocation":"primary","__unstableSocialLinks":"social","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal"},"style":{"spacing":{"margin":{"top":"0"}}}} /-->
+		<!-- wp:navigation {"__unstableLocation":"primary","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal"},"style":{"spacing":{"margin":{"top":"0"}}}} /-->
 	
 	</div>
 	<!-- /wp:group -->

curator/parts/header.html

@@ -16,7 +16,7 @@
 		</div>
 		<!-- /wp:group -->
 	
-		<!-- wp:navigation {"__unstableLocation":"primary","__unstableSocialLinks":"social","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal"},"style":{"spacing":{"margin":{"top":"0"}}}} /-->
+		<!-- wp:navigation {"__unstableLocation":"primary","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal"},"style":{"spacing":{"margin":{"top":"0"}}}} /-->
 	
 	</div>
 	<!-- /wp:group -->