Issue #2049485 by yched: Remove traces of the 'user_register_form()' field setting.

core/modules/field/tests/modules/field_test_config/config/field.instance.entity_test.entity_test.field_test_import.yml

@@ -10,5 +10,4 @@ default_value: {  }
 default_value_function: ''
 settings:
   text_processing: '0'
-  user_register_form: false
 field_type: text

core/modules/field/tests/modules/field_test_config/config/field.instance.entity_test.entity_test.field_test_import_2.yml

@@ -10,7 +10,6 @@ default_value: {  }
 default_value_function: ''
 settings:
   text_processing: '0'
-  user_register_form: false
 widget:
   weight: '-2'
   type: text_textfield

core/modules/field/tests/modules/field_test_config/config/field.instance.entity_test.test_bundle.field_test_import_2.yml

@@ -10,7 +10,6 @@ default_value: {  }
 default_value_function: ''
 settings:
   text_processing: '0'
-  user_register_form: false
 widget:
   weight: '-2'
   type: text_textfield

core/modules/field/tests/modules/field_test_config/staging/field.instance.entity_test.entity_test.field_test_import_staging.yml

@@ -11,5 +11,4 @@ default_value: {  }
 default_value_function: ''
 settings:
   text_processing: '0'
-  user_register_form: '0'
 field_type: text

core/modules/field/tests/modules/field_test_config/staging/field.instance.entity_test.test_bundle.field_test_import_staging_2.yml

@@ -11,7 +11,6 @@ default_value: {  }
 default_value_function: ''
 settings:
   text_processing: '0'
-  user_register_form: false
 widget:
   weight: '-2'
   type: text_textfield

core/modules/field/tests/modules/field_test_config/staging/field.instance.entity_test.test_bundle_2.field_test_import_staging_2.yml

@@ -11,7 +11,6 @@ default_value: {  }
 default_value_function: ''
 settings:
   text_processing: '0'
-  user_register_form: false
 widget:
   weight: '-2'
   type: text_textfield

core/modules/options/config/schema/options.schema.yml

@@ -17,10 +17,9 @@ field.list_integer.settings:
 field.list_integer.instance_settings:
   type: mapping
   label: 'List (integer)'
-  mapping:
-    user_register_form:
-      type: boolean
-      label: 'Display on user registration form.'
+  sequence:
+    - type: string
+      label: 'setting'
 
 field.list_integer.value:
   type: sequence
@@ -50,10 +49,9 @@ field.list_float.settings:
 field.list_float.instance_settings:
   type: mapping
   label: 'List (float)'
-  mapping:
-    user_register_form:
-      type: boolean
-      label: 'Display on user registration form.'
+  sequence:
+    - type: string
+      label: 'setting'
 
 field.list_float.value:
   type: sequence
@@ -83,10 +81,9 @@ field.list_text.settings:
 field.list_text.instance_settings:
   type: mapping
   label: 'List (float)'
-  mapping:
-    user_register_form:
-      type: boolean
-      label: 'Display on user registration form.'
+  sequence:
+    - type: string
+      label: 'setting'
 
 field.list_text.value:
   type: sequence
@@ -116,10 +113,9 @@ field.list_boolean.settings:
 field.list_boolean.instance_settings:
   type: mapping
   label: 'List (boolean)'
-  mapping:
-    user_register_form:
-      type: boolean
-      label: 'Display on user registration form.'
+  sequence:
+    - type: string
+      label: 'setting'
 
 field.list_boolean.value:
   type: sequence

core/modules/text/config/schema/text.schema.yml

@@ -23,9 +23,6 @@ field.text.instance_settings:
     text_processing:
       type: string
       label: 'Text processing'
-    user_register_form:
-      type: boolean
-      label: 'Display on user registration form.'
 
 field.text.value:
   type: sequence
@@ -54,9 +51,6 @@ field.text_long.instance_settings:
     text_processing:
       type: string
       label: 'Text processing'
-    user_register_form:
-      type: boolean
-      label: 'Display on user registration form.'
 
 field.text_long.value:
   type: sequence
@@ -88,9 +82,6 @@ field.text_with_summary.instance_settings:
     display_summary:
       type: boolean
       label: 'Summary input'
-    user_register_form:
-      type: boolean
-      label: 'Display on user registration form.'
 
 field.text_with_summary.value:
   type: sequence

core/profiles/standard/config/field.instance.node.article.field_image.yml

@@ -18,6 +18,5 @@ settings:
   alt_field_required: 0
   title_field_required: 0
   default_image: 0
-  user_register_form: false
 status: 1
 langcode: und

core/profiles/standard/config/field.instance.node.article.field_tags.yml

@@ -7,7 +7,6 @@ description: 'Enter a comma-separated list of words to describe your content.'
 required: false
 default_value: {  }
 default_value_function: ''
-settings:
-  user_register_form: false
+settings: {  }
 status: 1
 langcode: und