Alter wording for use foo::self help

src/test/ui/error-codes/E0429.stderr

@@ -4,11 +4,11 @@ error[E0429]: `self` imports are only allowed within a { } list
 LL | use std::fmt::self;
    |             ^^^^^^
    |
-help: Remove `::self`..
+help: consider importing the module directly
    |
 LL | use std::fmt;
    |            --
-help: ..or add braces around `self`
+help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use std::fmt::{self};
    |               ^    ^

src/test/ui/issues/issue-45829/import-self.stderr

@@ -10,11 +10,11 @@ error[E0429]: `self` imports are only allowed within a { } list
 LL | use foo::self;
    |        ^^^^^^
    |
-help: Remove `::self`..
+help: consider importing the module directly
    |
 LL | use foo;
    |       --
-help: ..or add braces around `self`
+help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use foo::{self};
    |          ^    ^

src/test/ui/use/use-mod/use-mod-4.stderr

@@ -4,11 +4,11 @@ error[E0429]: `self` imports are only allowed within a { } list
 LL | use foo::self;
    |        ^^^^^^
    |
-help: Remove `::self`..
+help: consider importing the module directly
    |
 LL | use foo;
    |       --
-help: ..or add braces around `self`
+help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use foo::{self};
    |          ^    ^
@@ -19,11 +19,11 @@ error[E0429]: `self` imports are only allowed within a { } list
 LL | use std::mem::self;
    |             ^^^^^^
    |
-help: Remove `::self`..
+help: consider importing the module directly
    |
 LL | use std::mem;
    |            --
-help: ..or add braces around `self`
+help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use std::mem::{self};
    |               ^    ^

src/test/ui/use/use-mod/use-mod-5.stderr

@@ -4,11 +4,11 @@ error[E0429]: `self` imports are only allowed within a { } list
 LL | use foo::bar::self;
    |             ^^^^^^
    |
-help: Remove `::self`..
+help: consider importing the module directly
    |
 LL | use foo::bar;
    |            --
-help: ..or add braces around `self`
+help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use foo::bar::{self};
    |               ^    ^

src/test/ui/use/use-mod/use-mod-6.stderr

@@ -4,11 +4,11 @@ error[E0429]: `self` imports are only allowed within a { } list
 LL | use foo::bar::self as abc;
    |             ^^^^^^
    |
-help: Remove `::self`..
+help: consider importing the module directly
    |
 LL | use foo::bar as abc;
    |            --
-help: ..or add braces around `self`
+help: alternatively, use the multi-path `use` syntax to import `self`
    |
 LL | use foo::bar::{self as abc};
    |               ^           ^