fixup! remove all legacy call related code and adjust tests. We actua…

…lly had a bit of tests just for legacy and not for session events. All those tests got ported over so we do not remove any tests.

src/matrixrtc/CallMembership.ts

@@ -71,10 +71,9 @@ export class CallMembership {
         data: any,
     ) {
         const sessionErrors: string[] = [];
-        const legacyErrors: string[] = [];
         if (!checkSessionsMembershipData(data, sessionErrors)) {
             throw Error(
-                `unknown CallMembership data. Does not match MSC4143 call.member (${legacyErrors.join(" & ")}) events this could be a legacy membership event: (${data})`,
+                `unknown CallMembership data. Does not match MSC4143 call.member (${sessionErrors.join(" & ")}) events this could be a legacy membership event: (${data})`,
             );
         } else {
             this.membershipData = data;