SF-3631 Fix audio upload wording (#3552)

Author: Nateowami

src/SIL.XForge.Scripture/ClientApp/src/app/checking/chapter-audio-dialog/chapter-audio-dialog.component.html

@@ -14,7 +14,7 @@ <h2 mat-dialog-title>{{ bookName(book) }} {{ chapter }} {{ t("audio") }}</h2>
           (change)="uploadedFiles($event)"
           [matTooltip]="t('browse_files_tooltip')"
         />
-        <label>{{ t("drag_and_drop_files") }}, {{ t("drag_and_drop_or_browse") }}</label>
+        <label>{{ t("drag_and_drop_files") }}</label>
         <button mat-flat-button color="primary" type="submit">{{ t("browse_files") }}</button>
       </div>
       <div class="data-blocks">

src/SIL.XForge.Scripture/ClientApp/src/assets/i18n/checking_en.json

@@ -235,7 +235,6 @@
     "delete_timing": "Delete Timing",
     "drag_and_drop_files": "Drop audio and timing files here to upload",
     "drag_and_drop_overlay": "Drop files to upload",
-    "drag_and_drop_or_browse": "or",
     "from_timing_past_to_timing": "One or more ending values end before their beginning values.",
     "help": "Help",
     "no_audio_file_uploaded": "No audio file uploaded",