Revert "lix: add "removal messages" and restore old aliases"

This reverts commit db84814.

Author: tm-drtina

pkgs/tools/package-management/lix/default.nix

@@ -1,6 +1,5 @@
 {
   lib,
-  config,
   stdenv,
   makeScopeWithSplicing',
   generateSplicesForMkScope,
@@ -128,12 +127,6 @@ let
           };
         };
     };
-
-  removedMessage = version: ''
-    Lix ${version} is now removed from this revision of Nixpkgs. Consider upgrading to stable or the latest version.
-
-          If you notice a problem while upgrading disrupting your workflows which did not occur in version ${version}, please reach out to the Lix team.
-  '';
 in
 lib.makeExtensible (
   self:
@@ -154,66 +147,53 @@ lib.makeExtensible (
           hash = "sha256-Oqw04eboDM8rrUgAXiT7w5F2uGrQdt8sGX+Mk6mVXZQ=";
         };
 
-        cargoDeps = rustPlatform.fetchCargoVendor {
-          name = "lix-${version}";
-          inherit src;
-          hash = "sha256-YMyNOXdlx0I30SkcmdW/6DU0BYc3ZOa2FMJSKMkr7I8=";
-        };
+      cargoDeps = rustPlatform.fetchCargoVendor {
+        name = "lix-${version}";
+        inherit src;
+        hash = "sha256-YMyNOXdlx0I30SkcmdW/6DU0BYc3ZOa2FMJSKMkr7I8=";
       };
     };
+  };
 
-    git = self.makeLixScope {
-      attrName = "git";
+  git = self.makeLixScope {
+    attrName = "git";
 
-      lix-args = rec {
-        version = "2.94.0-pre-20250807_${builtins.substring 0 12 src.rev}";
+    lix-args = rec {
+      version = "2.94.0-pre-20250807_${builtins.substring 0 12 src.rev}";
 
-        src = fetchFromGitea {
-          domain = "git.lix.systems";
-          owner = "lix-project";
-          repo = "lix";
-          rev = "8bbd5e1d0df9c31b4d86ba07bc85beb952e42ccb";
-          hash = "sha256-P+WiN95OjCqHhfygglS/VOFTSj7qNdL5XQDo2wxhQqg=";
-        };
+      src = fetchFromGitea {
+        domain = "git.lix.systems";
+        owner = "lix-project";
+        repo = "lix";
+        rev = "8bbd5e1d0df9c31b4d86ba07bc85beb952e42ccb";
+        hash = "sha256-P+WiN95OjCqHhfygglS/VOFTSj7qNdL5XQDo2wxhQqg=";
+      };
 
-        cargoDeps = rustPlatform.fetchCargoVendor {
-          name = "lix-${version}";
-          inherit src;
-          hash = "sha256-APm8m6SVEAO17BBCka13u85/87Bj+LePP7Y3zHA3Mpg=";
-        };
+      cargoDeps = rustPlatform.fetchCargoVendor {
+        name = "lix-${version}";
+        inherit src;
+        hash = "sha256-APm8m6SVEAO17BBCka13u85/87Bj+LePP7Y3zHA3Mpg=";
       };
     };
+  };
 
-    latest = self.lix_2_93;
-
-    stable = self.lix_2_93;
-
-    # Previously, `nix-eval-jobs` was not packaged here, so we export an
-    # attribute with the previously-expected structure for compatibility. This
-    # is also available (for now) as `pkgs.lixVersions`.
-    renamedDeprecatedLixVersions =
-      let
-        mkAlias =
-          version:
-          lib.warnOnInstantiate "'lixVersions.${version}' has been renamed to 'lixPackageSets.${version}.lix'"
-            self.${version}.lix;
-      in
-      lib.dontRecurseIntoAttrs {
-        # NOTE: Do not add new versions of Lix here.
-        stable = mkAlias "stable";
-        latest = mkAlias "latest";
-      }
-      // lib.optionalAttrs config.allowAliases {
-        # Legacy removed versions. We keep their aliases until the lixPackageSets one is dropped.
-        lix_2_90 = mkAlias "lix_2_90";
-        lix_2_91 = mkAlias "lix_2_91";
-      };
-  }
-  // lib.optionalAttrs config.allowAliases {
-    # Removed versions.
-    # When removing a version, add an alias with a date attached to it so we can clean it up after a while.
-    lix_2_90 = throw (removedMessage "2.90"); # added in 2025-09-11
-    lix_2_91 = throw (removedMessage "2.91"); # added in 2025-09-11
-    lix_2_92 = throw (removedMessage "2.92"); # added in 2025-09-11
-  }
-)
+  latest = self.lix_2_93;
+
+  stable = self.lix_2_93;
+
+  # Previously, `nix-eval-jobs` was not packaged here, so we export an
+  # attribute with the previously-expected structure for compatibility. This
+  # is also available (for now) as `pkgs.lixVersions`.
+  renamedDeprecatedLixVersions =
+    let
+      mkAlias =
+        version:
+        lib.warnOnInstantiate "'lixVersions.${version}' has been renamed to 'lixPackageSets.${version}.lix'"
+          self.${version}.lix;
+    in
+    lib.dontRecurseIntoAttrs {
+      # NOTE: Do not add new versions of Lix here.
+      stable = mkAlias "stable";
+      latest = mkAlias "latest";
+    };
+})