MAT-540, just use en-US language. Change text for Podcasting.

src/i18n/lngs-generated.ts

@@ -1,11 +1,3 @@
 export const languages = new Map<string, string>([
-  ["cs", "cs-CZ"],
-  ["de", "de-DE"],
-  ["el", "el-GR"],
   ["en", "en-US"],
-  ["es", "es-ES"],
-  ["fr", "fr-FR"],
-  ["nl", "nl-NL"],
-  ["zh-CN", "zh-CN"],
-  ["zh-TW", "zh-TW"],
 ]);

src/i18n/locales/en-US.json

@@ -57,7 +57,7 @@
 
     "finishMenu": {
       "save-button": "Save changes",
-      "start-button": "Save and process changes",
+      "start-button": "Save and publish to Video Portal",
       "discard-button": "Discard changes"
     },
 
@@ -67,7 +67,7 @@
       "confirmButton-attempting-tooltip": "Attempting to save",
       "confirmButton-success-tooltip": "Saved successfully",
       "confirmButton-failed-tooltip": "Save failed",
-      "info-text": "The video will not be processed but all cutting information will be stored in Opencast. You can continue your edit later.",
+      "info-text": "The video will not be processed but all cutting information will be stored. You can continue your edit later.",
       "success-text": "Changes saved successfully! You can now close the editor or continue working.",
       "success-tooltip-aria": "Saved successfully",
       "saveArea-tooltip": "Save Area",
@@ -85,7 +85,7 @@
       "discarded-text": "Your changes have been discarded. You can now close the editor.",
       "startOver-button": "Let me start over!",
       "startOver-tooltip": "Reload the page to start over",
-      "info-text": "Changes successfully saved to Opencast. Processing your changes may take quite some time so please be patient. You can now close the editor.\n"
+      "info-text": "Your video will now be processed before publishing onto the Video Portal, which may take quite some time so please be patient.\n\n You can now close the editor.\n"
     },
 
     "workflowSelection": {

src/main/Header.tsx

@@ -89,7 +89,7 @@ function Header() {
         <div css={[titleStyleBold(theme), css({ color: `${theme.header_text}` })]}>Podcast Editor</div>
       </div>
       <div css={rightSideButtonsStyle}>
-        <LanguageButton />
+        {lngs.size > 1 && <LanguageButton />}
         <ThemeButton />
         {!isEnd &&
           <MainMenuButton