dependencies: dropped pyflakes as it's not used anymore.

pkgs/python-packages.nix

@@ -1274,17 +1274,6 b' self: super: {'
       license = [ pkgs.lib.licenses.mit { fullName = "LGPL/MIT"; } { fullName = "GNU Library or Lesser General Public License (LGPL)"; } ];
     };
   };
-  "pyflakes" = super.buildPythonPackage {
-    name = "pyflakes-0.8.1";
-    doCheck = false;
-    src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/75/22/a90ec0252f4f87f3ffb6336504de71fe16a49d69c4538dae2f12b9360a38/pyflakes-0.8.1.tar.gz";
-      sha256 = "0sbpq6pqm1i9wqi41mlfrsc5rk92jv4mskvlyxmnhlbdnc80ma1z";
-    };
-    meta = {
-      license = [ pkgs.lib.licenses.mit ];
-    };
-  };
   "pygments" = super.buildPythonPackage {
     name = "pygments-2.3.1";
     doCheck = false;
@@ -1756,7 +1745,6 b' self: super: {'
       self."py-bcrypt"
       self."pycrypto"
       self."pycurl"
-      self."pyflakes"
       self."pygments"
       self."pyparsing"
       self."pyramid-beaker"

requirements.txt

@@ -49,7 +49,6 b' psutil==5.4.8'
 py-bcrypt==0.4
 pycrypto==2.6.1
 pycurl==7.43.0.2
-pyflakes==0.8.1
 pygments==2.3.1
 pyparsing==2.3.0
 pyramid-beaker==0.8

rhodecode/config/licenses.json

@@ -1482,17 +1482,6 b''
         "name": "python2.7-pygments-markdown-lexer-0.1.0.dev39"
     },
     {
-        "license": [
-            {
-                "fullName": "MIT License",
-                "shortName": "mit",
-                "spdxId": "MIT",
-                "url": "http://spdx.org/licenses/MIT.html"
-            }
-        ],
-        "name": "python2.7-pyflakes-0.8.1"
-    },
-    {
         "license": {
             "fullName": "MIT License",
             "shortName": "mit",