Update NotEqualTo.rst

The last sentence was wrong
[Forms] Fix submit button usage in template
Revert "Removed warning about using swiftmailer handler with memory spool"

This reverts commit 1262487380d02ac3239b452ff4a5ef4f1d683342.
remove extra word
Merge pull request #3079 from garak/patch-26

Update NotEqualTo.rst
Merge pull request #3082 from bicpi/fix_submit_button

[Forms] Fix submit button usage in template
Merge pull request #3084 from greg0ire/2.3

Revert "Removed warning about using swiftmailer handler with memory spool"
Merge branch '2.3'
[#3084] Putting back message that was incorrect in 2.3, but correct in 2.4/master