Removed delete message option of own users messages and left it for message.isOutbox == true

Author: KshitizSareen

src/action-sheets/index.js

@@ -693,7 +693,6 @@ export const constructMessageActionButtons = (args: {|
   const { backgroundData, message, narrow, canStartQuoteAndReply } = args;
   const { ownUser, flags } = backgroundData;
   const buttons = [];
-  let deleteMessageAdded = false;
 
   if (message.isOutbox === true) {
     buttons.push(copyToClipboard);
@@ -729,16 +728,6 @@ export const constructMessageActionButtons = (args: {|
   }
   if (message.sender_id === ownUser.user_id && messageNotDeleted(message)) {
     // TODO(#2793): Don't show if message isn't deletable.
-    buttons.push(deleteMessage);
-    deleteMessageAdded = true;
-  }
-  if (
-    ownUser.role !== undefined
-    && roleIsAtLeast(ownUser.role, Role.Admin)
-    && messageNotDeleted(message)
-    && !deleteMessageAdded
-  ) {
-    buttons.push(deleteMessage);
   }
   if (
     // When do we offer "Mark as unread from here"?  This logic parallels