Move Content-Length detection logic

scripts/seed.js

@@ -73,12 +73,6 @@ async function uploadAutoEmoji(guild, name, filename) {
 	} catch (e) {
 		if (e.errcode === "M_USER_IN_USE" || e.data?.error === "Internal server error") {
 			// "Internal server error" is the only OK error because older versions of Synapse say this if you try to register the same username twice.
-		} else if (e.data?.error?.includes("Content-Length")) {
-			die(`OOYE cannot stream uploads to Synapse. Please choose one of these workarounds:`
-				+ `\n  * Run an nginx reverse proxy to Synapse, and point registration.yaml's`
-				+ `\n    \`server_origin\` to nginx`
-				+ `\n  * Set \`content_length_workaround: true\` in registration.yaml (this will`
-				+ `\n    halve the speed of bridging d->m files)`)
 		} else {
 			throw e
 		}