Revert "autocomplete with email in email fields (#6502)" (#6574)

This reverts commit e5ec992.

The choice of `username` over `email` for the autocomplete attribute has
been discussed in the PR that introduced it. In short, the `username` is
recognized by browsers and password managers.

Not that prior to this change, some of the fields had
`autocomplete="username"` and some had `autocomplete="email"`, which was
inconsistent.

Author: rhcarvalho

priv/templates/phx.gen.auth/login_live.ex

@@ -47,7 +47,7 @@ defmodule <%= inspect context.web_module %>.<%= inspect Module.concat(schema.web
             field={f[:email]}
             type="email"
             label="Email"
-            autocomplete="email"
+            autocomplete="username"
             spellcheck="false"
             required
             phx-mounted={JS.focus()}
@@ -72,7 +72,7 @@ defmodule <%= inspect context.web_module %>.<%= inspect Module.concat(schema.web
             field={f[:email]}
             type="email"
             label="Email"
-            autocomplete="email"
+            autocomplete="username"
             spellcheck="false"
             required
           />

priv/templates/phx.gen.auth/registration_new.html.heex

@@ -18,7 +18,7 @@
         field={f[:email]}
         type="email"
         label="Email"
-        autocomplete="email"
+        autocomplete="username"
         spellcheck="false"
         required
         phx-mounted={JS.focus()}

priv/templates/phx.gen.auth/session_new.html.heex

@@ -33,7 +33,7 @@
         field={f[:email]}
         type="email"
         label="Email"
-        autocomplete="email"
+        autocomplete="username"
         spellcheck="false"
         required
         phx-mounted={JS.focus()}
@@ -51,7 +51,7 @@
         field={f[:email]}
         type="email"
         label="Email"
-        autocomplete="email"
+        autocomplete="username"
         spellcheck="false"
         required
       />

priv/templates/phx.gen.auth/settings_edit.html.heex

@@ -13,7 +13,7 @@
       field={f[:email]}
       type="email"
       label="Email"
-      autocomplete="email"
+      autocomplete="username"
       spellcheck="false"
       required
     />