Q:

Remap Return key in terminal to prevent accidental command on productions servers

I am looking for a way to remap the key for executing commands in terminal (I am using bash) to prevent accidental commands on productions servers. Return should be disabled. 
I tried the following in .inputrc
 RET : "Disabled"
 "\C-e" : "\r"

But that did not work because Return was mapped back to disabled. 
Full .inputrc
#set editing-mode vi
TAB: menu-complete
RET: ""
"\C-e": "\C-j"
"\e[Z": menu-complete-backward
"\C-w": forward-word
"\C-g": forward-word
"\C-g": "gd\015"
"\C-o": "h\015"
#"\C-b": backward-word
"\C-3": backward-char

set show-all-if-ambiguous on
set completion-ignore-case on
set meta-flag on
set input-meta on
set convert-meta on
set output-meta on

#"\C-pp": "cd -\015"
"\M-p": "cd -\015"
"\M-o": "ls\015"

"\C-w": forward-word

$if mode=vi
    set keymap vi-command
    "gg": beginning-of-history
    "G": end-of-history
    set keymap vi-insert       #notice how the "jj" movement is
    "jj": vi-movement-mode     #after 'set keymap vi-insert'?
    "\C-w": backward-kill-word
    "\C-p": history-search-backward
$endif

A:

RET : ""
Then use C-j from now on to enter commands.

