Remove rackup

Gemfile.lock

@@ -39,8 +39,6 @@ GEM
     puma (8.0.2)
       nio4r (~> 2.0)
     rack (3.2.7)
-    rackup (2.3.1)
-      rack (>= 3)
     rbs (4.2.0)
       logger
       prism (>= 1.6.0)
@@ -75,7 +73,6 @@ DEPENDENCIES
   irb
   mail
   puma
-  rackup
   roda
   rodauth
   sequel
@@ -105,7 +102,6 @@ CHECKSUMS
   prism (1.9.0) sha256=7b530c6a9f92c24300014919c9dcbc055bf4cdf51ec30aed099b06cd6674ef85
   puma (8.0.2) sha256=c8ed871dfbbe66448ea9ffd46692342d9804d4071522b52b5331b7b6e7b686fb
   rack (3.2.7) sha256=93e13e1c24f93556671d85d2d79fa228c3485815c50d7e2f265b5330c6528fb7
-  rackup (2.3.1) sha256=6c79c26753778e90983761d677a48937ee3192b3ffef6bc963c0950f94688868
   rbs (4.2.0) sha256=51f7b886dcc05bc09e10b901daa6a81829f6adc03101d6ca9ea4aac6103e0674
   rdoc (8.1.0) sha256=befc37880a5cfd36dcb176c748b5fd5ee39dd3536a75e81824e4972ce230f60a
   reline (0.7.0) sha256=5b012d8e55dbf9d450f12bde2cf7d15ff546ae80b3f8f3b30e570d431815583d