Wizard: make Satellite CA cert optional

Users do not need to fill in the satellite certificate, omitting
parts of code that require it.

src/Components/CreateImageWizard/steps/Registration/SatelliteRegistration.tsx

@@ -50,7 +50,7 @@ const SatelliteRegistration = () => {
   return (
     <>
       <SatelliteRegistrationCommand />
-      <FormGroup label="Certificate authority (CA) for Satellite" isRequired>
+      <FormGroup label="Certificate authority (CA) for Satellite">
         <FileUpload
           id="text-file-with-restrictions-example"
           type="text"
@@ -59,7 +59,6 @@ const SatelliteRegistration = () => {
           onDataChange={handleDataChange}
           onTextChange={handleTextChange}
           onClearClick={handleClear}
-          isRequired={true}
           dropzoneProps={{
             accept: {
               'application/x-pem-file': ['.pem'],

src/Components/CreateImageWizard/utilities/useValidation.tsx

@@ -28,7 +28,6 @@ import {
   selectLanguages,
   selectKeyboard,
   selectTimezone,
-  selectSatelliteCaCertificate,
   selectSatelliteRegistrationCommand,
   selectImageTypes,
   UserWithAdditionalInfo,
@@ -177,7 +176,6 @@ export function useRegistrationValidation(): StepValidation {
   const registrationCommand = useAppSelector(
     selectSatelliteRegistrationCommand
   );
-  const caCertificate = useAppSelector(selectSatelliteCaCertificate);
 
   const { isFetching: isFetchingKeyInfo, isError: isErrorKeyInfo } =
     useShowActivationKeyQuery(
@@ -212,20 +210,13 @@ export function useRegistrationValidation(): StepValidation {
 
   if (registrationType === 'register-satellite') {
     const errors = {};
-    if (caCertificate === '') {
-      Object.assign(errors, {
-        certificate:
-          'Valid certificate must be present if you are registering Satellite.',
-      });
-    }
     const tokenErrors = validateSatelliteToken(registrationCommand);
     Object.assign(errors, tokenErrors);
 
     return {
       errors: errors,
       disabledNext:
-       Object.keys(errors).some((key) => key !== 'expired') || 
+        Object.keys(errors).some((key) => key !== 'expired') ||
-        !caCertificate ||
         !registrationCommand,
     };
   }