Drop obsolete, unmaintained haskell.packages.lts-x_y package sets.

Stack no longer uses them since a long time: commercialhaskell/stack#2259.

pkgs/top-level/haskell-packages.nix

@@ -182,133 +182,5 @@ in rec {
        };
     });
 
-    # These attributes exist only for backwards-compatibility so that we don't break
-    # stack's --nix support. These attributes will disappear in the foreseeable
-    # future: https://github.com/commercialhaskell/stack/issues/2259.
-
-    lts-0_0 = packages.ghc783;
-    lts-0_1 = packages.ghc783;
-    lts-0_2 = packages.ghc783;
-    lts-0_3 = packages.ghc783;
-    lts-0_4 = packages.ghc783;
-    lts-0_5 = packages.ghc783;
-    lts-0_6 = packages.ghc783;
-    lts-0_7 = packages.ghc783;
-    lts-0 = packages.lts-0_7;
-
-    lts-1_0 = packages.ghc784;
-    lts-1_1 = packages.ghc784;
-    lts-1_2 = packages.ghc784;
-    lts-1_4 = packages.ghc784;
-    lts-1_5 = packages.ghc784;
-    lts-1_7 = packages.ghc784;
-    lts-1_8 = packages.ghc784;
-    lts-1_9 = packages.ghc784;
-    lts-1_10 =packages.ghc784;
-    lts-1_11 =packages.ghc784;
-    lts-1_12 =packages.ghc784;
-    lts-1_13 =packages.ghc784;
-    lts-1_14 =packages.ghc784;
-    lts-1_15 =packages.ghc784;
-    lts-1 = packages.lts-1_15;
-
-    lts-2_0 = packages.ghc784;
-    lts-2_1 = packages.ghc784;
-    lts-2_2 = packages.ghc784;
-    lts-2_3 = packages.ghc784;
-    lts-2_4 = packages.ghc784;
-    lts-2_5 = packages.ghc784;
-    lts-2_6 = packages.ghc784;
-    lts-2_7 = packages.ghc784;
-    lts-2_8 = packages.ghc784;
-    lts-2_9 = packages.ghc784;
-    lts-2_10 = packages.ghc784;
-    lts-2_11 = packages.ghc784;
-    lts-2_12 = packages.ghc784;
-    lts-2_13 = packages.ghc784;
-    lts-2_14 = packages.ghc784;
-    lts-2_15 = packages.ghc784;
-    lts-2_16 = packages.ghc784;
-    lts-2_17 = packages.ghc784;
-    lts-2_18 = packages.ghc784;
-    lts-2_19 = packages.ghc784;
-    lts-2_20 = packages.ghc784;
-    lts-2_21 = packages.ghc784;
-    lts-2_22 = packages.ghc784;
-    lts-2 = packages.lts-2_22;
-
-    lts-3_0 = packages.ghc7102;
-    lts-3_1 = packages.ghc7102;
-    lts-3_2 = packages.ghc7102;
-    lts-3_3 = packages.ghc7102;
-    lts-3_4 = packages.ghc7102;
-    lts-3_5 = packages.ghc7102;
-    lts-3_6 = packages.ghc7102;
-    lts-3_7 = packages.ghc7102;
-    lts-3_8 = packages.ghc7102;
-    lts-3_9 = packages.ghc7102;
-    lts-3_10 = packages.ghc7102;
-    lts-3_11 = packages.ghc7102;
-    lts-3_12 = packages.ghc7102;
-    lts-3_13 = packages.ghc7102;
-    lts-3_14 = packages.ghc7102;
-    lts-3_15 = packages.ghc7102;
-    lts-3_16 = packages.ghc7102;
-    lts-3_17 = packages.ghc7102;
-    lts-3_18 = packages.ghc7102;
-    lts-3_19 = packages.ghc7102;
-    lts-3_20 = packages.ghc7102;
-    lts-3 = packages.lts-3_20;
-
-    lts-4_0 = packages.ghc7103;
-    lts-4_1 = packages.ghc7103;
-    lts-4_2 = packages.ghc7103;
-    lts-4 = packages.lts-4_2;
-
-    lts-5_0 = packages.ghc7103;
-    lts-5_1 = packages.ghc7103;
-    lts-5_2 = packages.ghc7103;
-    lts-5_3 = packages.ghc7103;
-    lts-5_4 = packages.ghc7103;
-    lts-5_5 = packages.ghc7103;
-    lts-5_6 = packages.ghc7103;
-    lts-5_7 = packages.ghc7103;
-    lts-5_8 = packages.ghc7103;
-    lts-5_9 = packages.ghc7103;
-    lts-5_10 = packages.ghc7103;
-    lts-5_11 = packages.ghc7103;
-    lts-5_12 = packages.ghc7103;
-    lts-5_13 = packages.ghc7103;
-    lts-5_14 = packages.ghc7103;
-    lts-5_15 = packages.ghc7103;
-    lts-5_16 = packages.ghc7103;
-    lts-5_17 = packages.ghc7103;
-    lts-5_18 = packages.ghc7103;
-    lts-5 = packages.lts-5_18;
-
-    lts-6_0 = packages.ghc7103;
-    lts-6_1 = packages.ghc7103;
-    lts-6_2 = packages.ghc7103;
-    lts-6_3 = packages.ghc7103;
-    lts-6_4 = packages.ghc7103;
-    lts-6_5 = packages.ghc7103;
-    lts-6_6 = packages.ghc7103;
-    lts-6_7 = packages.ghc7103;
-    lts-6_8 = packages.ghc7103;
-    lts-6_9 = packages.ghc7103;
-    lts-6_10 = packages.ghc7103;
-    lts-6_11 = packages.ghc7103;
-    lts-6_12 = packages.ghc7103;
-    lts-6_13 = packages.ghc7103;
-    lts-6_14 = packages.ghc7103;
-    lts-6_15 = packages.ghc7103;
-    lts-6_16 = packages.ghc7103;
-    lts-6_17 = packages.ghc7103;
-    lts-6 = packages.lts-6_17;
-
-    lts-7_0 = packages.ghc801;
-    lts-7 = packages.lts-7_0;
-
-    lts = packages.lts-7;
   };
 }