Removed python-unittest2 package from SPECS_EXTENDED (microsoft#14213)

Co-authored-by: Sandeep Karambelkar <[email protected]>

Author: archana25-ms

LICENSES-AND-NOTICES/SPECS/LICENSES-MAP.md

@@ -1874,7 +1874,6 @@
                 "python-typing-extensions",
                 "python-typogrify",
                 "python-uamqp",
-                "python-unittest2",
                 "python-uritemplate",
                 "python-urwid",
                 "python-uswid",

LICENSES-AND-NOTICES/SPECS/data/licenses.json

@@ -25268,16 +25268,6 @@
         }
       }
     },
-    {
-      "component": {
-        "type": "other",
-        "other": {
-          "name": "python-unittest2",
-          "version": "1.1.0",
-          "downloadUrl": "https://pypi.python.org/packages/source/u/unittest2/unittest2-1.1.0.tar.gz"
-        }
-      }
-    },
     {
       "component": {
         "type": "other",