gh-148849: Fix duplicate Morsel.js_output doc entry and indentation

Author: kishorhange111

Doc/library/http.cookies.rst

@@ -102,28 +102,14 @@ Cookie Objects
    (CRLF).
 
 
-.. method:: Morsel.js_output(attrs=None)
-
-   Return an embeddable JavaScript snippet, which, if run on a browser which
-   supports JavaScript, will act the same as if the HTTP headers was sent.
-
-   The meaning for *attrs* is the same as in :meth:`output`.
-
-   .. deprecated-removed:: next 3.19
-      This method generates a JavaScript snippet to set cookies in the browser,
-      which is no longer considered a standard or recommended approach.
-      Use :meth:`~http.cookies.Morsel.output` instead to generate HTTP
-      headers.
-
-
 .. method:: BaseCookie.js_output(attrs=None)
 
    Return an embeddable JavaScript snippet, which, if run on a browser which
    supports JavaScript, will act the same as if the HTTP headers was sent.
 
    The meaning for *attrs* is the same as in :meth:`output`.
 
-   .. deprecated-removed:: next 3.19
+   .. deprecated-removed:: 3.15 3.19
       This method generates a JavaScript snippet to set cookies in the browser,
       which is no longer considered a standard or recommended approach.
       Use :meth:`~http.cookies.BaseCookie.output` instead to generate HTTP
@@ -245,6 +231,12 @@ Morsel Objects
 
    The meaning for *attrs* is the same as in :meth:`output`.
 
+   .. deprecated-removed:: 3.15 3.19
+      This method generates a JavaScript snippet to set cookies in the browser,
+      which is no longer considered a standard or recommended approach.
+      Use :meth:`~http.cookies.Morsel.output` instead to generate HTTP
+      headers.
+
 
 .. method:: Morsel.OutputString(attrs=None)