HMS-1492: Change rhc to non-capitalized

Fixes HMS-1492

This changes all occurences of "rhc" and "remote host configuration" from capitalized to lowercase.
In cases where the sentence started with "rhc" this was changed to "remote host configuration" to avoid
starting the sentence with "Rhc".

src/Components/CreateImageWizard/formComponents/ReviewStepTextLists.js

@@ -489,7 +489,7 @@ export const RegisterNowList = () => {
               {getState()?.values?.['register-system'] ===
                 'register-now-rhc' && (
                 <TextListItem>
-                  Use remote host configuration (RHC) utility
+                  Use remote host configuration (rhc) utility
                   <br />
                 </TextListItem>
               )}