remove unnecessary typed throws

Author: ethanndickson

Diff for: Coder Desktop/Coder Desktop/Views/LoginForm.swift

@@ -70,7 +70,7 @@ struct LoginForm<C: Client, S: Session>: View {
         loading = true
         defer { loading = false }
         let client = C(url: url, token: sessionToken)
-        do throws(ClientError) {
+        do {
             _ = try await client.user("me")
         } catch {
             loginError = .failedAuth(error)

Diff for: Coder Desktop/VPN/Manager.swift

@@ -30,7 +30,7 @@ actor Manager {
         } catch {
             throw .download(error)
         }
-        do throws(ValidationError) {
+        do {
             try SignatureValidator.validate(path: dest)
         } catch {
             throw .validation(error)
@@ -44,7 +44,7 @@ actor Manager {
             writeFD: tunnelHandle.writeHandle,
             readFD: tunnelHandle.readHandle
         )
-        do throws(HandshakeError) {
+        do {
             try await speaker.handshake()
         } catch {
             throw .handshake(error)

Diff for: Coder Desktop/VPNLib/Speaker.swift

@@ -153,7 +153,7 @@ extension Speaker: AsyncSequence, AsyncIteratorProtocol {
             }
             guard msg.rpc.responseTo == 0 else {
                 logger.debug("got RPC reply for msgID \(msg.rpc.responseTo)")
-                do throws(RPCError) {
+                do {
                     try await self.secretary.route(reply: msg)
                 } catch {
                     logger.error(