chore: revert to "feat(amazonq): add MCP server support (#7451)"

Author: ashishrp-aws

packages/amazonq/.changes/next-release/Feature-57661731-6180-4157-a04b-d3a8b50aa1a8.json

@@ -123,7 +123,6 @@ export async function startLanguageServer(
                 awsClientCapabilities: {
                     q: {
                         developerProfiles: true,
-                        mcp: true,
                     },
                     window: {
                         notifications: true,