feat: [VAN-751] Put user's year of birth behind the feature flag

.env

@@ -25,3 +25,4 @@ SITE_NAME=''
 STUDIO_BASE_URL=''
 SUPPORT_URL=''
 USER_INFO_COOKIE_NAME=''
+COLLECT_YEAR_OF_BIRTH='true'

.env.development

@@ -26,3 +26,4 @@ SITE_NAME=localhost
 STUDIO_BASE_URL=''
 SUPPORT_URL='http://localhost:18000/support'
 USER_INFO_COOKIE_NAME='edx-user-info'
+COLLECT_YEAR_OF_BIRTH='true'

.env.test

@@ -25,3 +25,4 @@ SITE_NAME=localhost
 STUDIO_BASE_URL=''
 SUPPORT_URL='http://localhost:18000/support'
 USER_INFO_COOKIE_NAME='edx-user-info'
+COLLECT_YEAR_OF_BIRTH='true'

src/account-settings/AccountSettingsPage.jsx

@@ -583,15 +583,18 @@ class AccountSettingsPage extends React.Component {
           />
           {this.renderSecondaryEmailField(editableFieldProps)}
           <ResetPassword email={this.props.formValues.email} />
-          <EditableField
-            name="year_of_birth"
-            type="select"
-            label={this.props.intl.formatMessage(messages['account.settings.field.dob'])}
-            emptyLabel={this.props.intl.formatMessage(messages['account.settings.field.dob.empty'])}
-            value={this.props.formValues.year_of_birth}
-            options={yearOfBirthOptions}
-            {...editableFieldProps}
-          />
+          {(getConfig().COLLECT_YEAR_OF_BIRTH === 'true')
+            && (
+            <EditableField
+              name="year_of_birth"
+              type="select"
+              label={this.props.intl.formatMessage(messages['account.settings.field.dob'])}
+              emptyLabel={this.props.intl.formatMessage(messages['account.settings.field.dob.empty'])}
+              value={this.props.formValues.year_of_birth}
+              options={yearOfBirthOptions}
+              {...editableFieldProps}
+            />
+            )}
           <EditableField
             name="country"
             type="select"

src/index.jsx

@@ -63,6 +63,7 @@ initialize({
         COACHING_ENABLED: (process.env.COACHING_ENABLED || false),
         ENABLE_DEMOGRAPHICS_COLLECTION: (process.env.ENABLE_DEMOGRAPHICS_COLLECTION || false),
         DEMOGRAPHICS_BASE_URL: process.env.DEMOGRAPHICS_BASE_URL,
+        COLLECT_YEAR_OF_BIRTH: (process.env.COLLECT_YEAR_OF_BIRTH || true),
       }, 'App loadConfig override handler');
     },
   },