box2d_2_0_1: delete expression

Not used anywhere, appears to be no reason to keep it around.

See also #4210

pkgs/development/libraries/box2d/2.0.1.nix

@@ -1,83 +0,0 @@
-x@{builderDefsPackage
-  , unzip, cmake, mesa, freeglut, libX11, xproto
-  , inputproto, libXi
-  , ...}:
-builderDefsPackage
-(a :  
-let 
-  helperArgNames = ["stdenv" "fetchurl" "builderDefsPackage"] ++ 
-    [];
-
-  buildInputs = map (n: builtins.getAttr n x)
-    (builtins.attrNames (builtins.removeAttrs x helperArgNames));
-  sourceInfo = rec {
-    baseName="box2d";
-    version="2.0.1";
-    name="${baseName}-${version}";
-    url="http://box2d.googlecode.com/files/Box2D_v${version}.zip";
-    hash="62857048aa089b558561074154430883cee491eedd71247f75f488cba859e21f";
-  };
-in
-rec {
-  src = a.fetchurl {
-    url = sourceInfo.url;
-    sha256 = sourceInfo.hash;
-  };
-
-  inherit (sourceInfo) name version;
-  inherit buildInputs;
-
-  phaseNames = ["fixIncludes" "setVars" "changeSettings" "doMake" "doDeploy"];
-
-  goSrcDir = ''cd Box2D'';
-
-  fixIncludes = a.fullDepEntry ''
-    sed -i Source/Dynamics/Contacts/b2PolyContact.cpp \
-        -i Source/Dynamics/Contacts/b2CircleContact.cpp \
-        -i Source/Dynamics/Contacts/b2PolyAndCircleContact.cpp \
-        -i Source/Common/b2BlockAllocator.cpp \
-        -i Source/Collision/b2BroadPhase.cpp \
-        -i Examples/TestBed/Framework/Render.cpp \
-        -i Examples/TestBed/Tests/BroadPhaseTest.cpp \
-        -i Examples/TestBed/Tests/TestEntries.cpp \
-        -e '1i#include <string.h>'
-  '' ["minInit" "addInputs" "doUnpack"];
-
-  setVars = a.noDepEntry ''
-    export NIX_LDFLAGS="$NIX_LDFLAGS -lX11 -lXi"
-  '';
-
-  doDeploy = a.fullDepEntry ''
-    mkdir -p "$out"/lib
-    mkdir -p "$out"/include/Box2D
-    cp Library/* Source/Gen/float/lib*.{a,so} "$out"/lib
-    cp -r Source "$out"/include/Box2D/Source
-    find "$out"/include/Box2D/Source ! -name '*.h' -exec rm '{}' ';'
-    sed -e s@../Source@Box2D/Source@ -i Include/Box2D.h
-    cp Include/Box2D.h "$out"/include/Box2D
-    mkdir -p "$out/share"
-    cp -r Examples "$out/share"
-  '' ["minInit" "addInputs" "doMake" "defEnsureDir"];
-
-  changeSettings = a.fullDepEntry ''
-    sed -i Source/Common/b2Settings.h -e 's@b2_maxPolygonVertices .*@b2_maxPolygonVertices = 15;@'
-  '' ["minInit" "addInputs" "doUnpack"];
-      
-  meta = {
-    description = "2D physics engine";
-    maintainers = with a.lib.maintainers;
-    [
-      raskin
-    ];
-    platforms = with a.lib.platforms;
-      linux;
-    license = "bsd";
-    branch = "2.0.1";
-  };
-  passthru = {
-    updateInfo = {
-      downloadPage = "http://code.google.com/p/box2d/downloads/list";
-    };
-  };
-}) x
-

pkgs/top-level/all-packages.nix

@@ -6631,7 +6631,6 @@ in
   botanUnstable = callPackage ../development/libraries/botan/unstable.nix { };
 
   box2d = callPackage ../development/libraries/box2d { };
-  box2d_2_0_1 = callPackage ../development/libraries/box2d/2.0.1.nix { };
 
   breakpad = callPackage ../development/libraries/breakpad { };