remove suspends_without_fallback

packages/svelte/src/compiler/phases/2-analyze/index.js

@@ -543,7 +543,6 @@ export function analyze_component(root, source, options) {
 		snippet_renderers: new Map(),
 		snippets: new Set(),
 		async_deriveds: new Set(),
-		suspends_without_fallback: false,
 		hoisted_promises: new Map()
 	};
 

packages/svelte/src/compiler/phases/2-analyze/visitors/AwaitExpression.js

@@ -42,8 +42,6 @@ export function AwaitExpression(node, context) {
 		if (!context.state.analysis.runes) {
 			e.legacy_await_invalid(node);
 		}
-
-		context.state.analysis.suspends_without_fallback ||= context.state.ast_type === 'instance';
 	}
 
 	context.next();

packages/svelte/src/compiler/phases/3-transform/server/transform-server.js

@@ -243,8 +243,7 @@ export function server_component(analysis, options) {
 		.../** @type {Statement[]} */ (template.body)
 	]);
 
-	// TODO 'suspends_without_fallback' is probably a misnomer now
-	if (analysis.suspends_without_fallback) {
+	if (analysis.instance.has_await) {
 		component_block = b.block([call_child_payload(component_block, true)]);
 	}
 

packages/svelte/src/compiler/phases/3-transform/server/visitors/SvelteHead.js

@@ -15,9 +15,7 @@ export function SvelteHead(node, context) {
 			b.call(
 				'$.head',
 				b.id('$$payload'),
-				// same thing as elsewhere; this will create more async functions than necessary but should never be _wrong_
-				// because the component rendering this head block will always be async if the head block is async
-				b.arrow([b.id('$$payload')], block, context.state.analysis.suspends_without_fallback)
+				b.arrow([b.id('$$payload')], block, node.fragment.metadata.is_sync)
 			)
 		)
 	);

packages/svelte/src/compiler/phases/types.d.ts

@@ -107,8 +107,6 @@ export interface ComponentAnalysis extends Analysis {
 	 * Every snippet that is declared locally
 	 */
 	snippets: Set<AST.SnippetBlock>;
-	/** Whether the component uses `await` in a context that causes suspense outside of any boundary with a pending snippet. */
-	suspends_without_fallback: boolean;
 	hoisted_promises: Map<Expression, MemberExpression>;
 }