fix(binder): update start script to streamline Pluto launch command

Author: amaurigmartins

binder/start

@@ -2,14 +2,4 @@
 set -euxo pipefail
 
 # Start Pluto on the Binder port and open your notebook
-exec julia --project=binder -e '
-import Pluto
-import WGLMakie; WGLMakie.activate!()
-using PlutoStyles
-Pluto.run(host = "0.0.0.0",
-    port = parse(Int, get(ENV, "PORT", "8888")),
-    launch_browser = false,
-    require_secret_for_open_links=false, 
-    require_secret_for_access=false,
-)
-'
+exec julia --project=binder -e 'import Pluto; import WGLMakie; WGLMakie.activate!(); using PlutoStyles; Pluto.run(host = "0.0.0.0", port = parse(Int, get(ENV, "PORT", "8888")), launch_browser = false, require_secret_for_open_links=false, require_secret_for_access=false)'