message: refactor: remove unused providerLogo from condition
diff: {{!BRANDING}}
  <div class='row m-v-md'>
  <div class='col-xs-12 text-center'>
  - {{!Provider Logo, if exists}}
  + {{!Provider Logo, if we are a provider}}
  {{#if this.theme.isProvider}}
  <div
  data-test-provider-branding
  <ProviderLogo @provider={{this.theme.provider}} />
  </div>
  {{/if}}
  - <div class={{if (or this.theme.isProvider this.providerLogo) 'col-xs-6 text-left'}}>
  + <div class={{if this.theme.isProvider 'col-xs-6 text-left'}}>
  {{!REGISTRIES ONLY}}
  <div class='registries-brand m-t-lg'></div>
  {{!Discover Page Header text}}
  