drop dictionary error workaround

Summary:
the dictionary error bug was fixed some time back, so drop this
workaround for it.

Test Plan:
Run all tests for F25 and Rawhide and verify they don't need
this workaround any longer.

Reviewers: jskladan, garretraziel

Reviewed By: garretraziel

Subscribers: tflink

Differential Revision: https://phab.qadevel.cloud.fedoraproject.org/D988

needles/anaconda/install_process/password_dictionary_error.json

@@ -1,19 +0,0 @@
-{
-  "tags": [
-    "ENV-DISTRI-fedora",
-    "LANGUAGE-english",
-    "anaconda_install_password_dictionary_error"
-  ],
-  "area": [
-    {
-      "xpos": 511,
-      "ypos": 742,
-      "width": 145,
-      "height": 18,
-      "type": "match"
-    }
-  ],
-  "properties": [
-    "workaround"
-  ]
-}

tests/_do_install_and_reboot.pm

@@ -23,9 +23,6 @@ sub run {
     send_key "tab";
     type_string $root_password;
     assert_and_click "anaconda_spoke_done";
-    if (check_screen "anaconda_install_password_dictionary_error", 10) {
-            assert_and_click "anaconda_spoke_done";
-    }
 
     # Set user details
     sleep 1;
@@ -58,10 +55,6 @@ sub run {
     }
     assert_and_click "anaconda_install_user_creation_make_admin";
     assert_and_click "anaconda_spoke_done";
-    # handle 'weak password' due to dictionary error: WORKAROUND
-    if (check_screen "anaconda_install_password_dictionary_error", 10) {
-            assert_and_click "anaconda_spoke_done";
-    }
 
     # Check username (and hence keyboard layout) if non-English
     if (get_var('LANGUAGE')) {