pcre2: 10.23 -> 10.31 (#43168)

pkgs/development/libraries/pcre2/default.nix

@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "pcre2-${version}";
-  version = "10.23";
+  version = "10.31";
   src = fetchurl {
     url = "ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/${name}.tar.bz2";
-    sha256 = "0vn5g0mkkp99mmzpissa06hpyj6pk9s4mlwbjqrjvw3ihy8rpiyz";
+    sha256 = "1b389pzw91k1hzydsh4smdsxyppwz4pv74m3nrvy8rda0j3m6zg0";
   };
 
   configureFlags = [
@@ -14,34 +14,8 @@ stdenv.mkDerivation rec {
     "--enable-jit"
   ];
 
-  patches = [
-    (fetchpatch {
-      name = "CVE-2017-7186-part1.patch";
-      url = "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_ucd.c?view=patch&r1=316&r2=670&sortby=date";
-      sha256 = "10yzglvbn7h06hg7zffr5zh378i5jihvx7d5gggkynws79vgwvfr";
-      stripLen = 2;
-      extraPrefix = "";
-    })
-    (fetchpatch {
-      name = "CVE-2017-7186-part2.patch";
-      url = "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_internal.h?view=patch&r1=600&r2=670&sortby=date";
-      sha256 = "1bggk7vd5hg0bjg96lj4h1lacmr6grq68dm6iz1n7vg3zf7virjn";
-      stripLen = 2;
-      extraPrefix = "";
-    })
-    (fetchpatch {
-      name = "CVE-2017-8786.patch";
-      url = "https://vcs.pcre.org/pcre2/code/trunk/src/pcre2test.c?r1=692&r2=697&view=patch";
-      sha256 = "1c629nzrk4il2rfclwyc1a373q58m4q9ys9wr91zhl4skfk7x19b";
-      stripLen = 2;
-      extraPrefix = "";
-    })
-  ];
-
   outputs = [ "bin" "dev" "out" "doc" "man" "devdoc" ];
 
-  doCheck = false; # fails 1 of 3 tests
-
   postFixup = ''
     moveToOutput bin/pcre2-config "$dev"
   '';