Remove initialization note from shadow lint

Author: camsteffen

clippy_lints/src/shadow.rs

@@ -298,7 +298,6 @@ fn lint_shadow<'tcx>(
                     snippet(cx, expr.span, "..")
                 ),
                 |diag| {
-                    diag.span_note(expr.span, "initialization happens here");
                     diag.span_note(prev_span, "previous binding is here");
                 },
             );
@@ -309,7 +308,6 @@ fn lint_shadow<'tcx>(
                 pattern_span,
                 &format!("`{}` is being shadowed", snippet(cx, pattern_span, "_")),
                 |diag| {
-                    diag.span_note(expr.span, "initialization happens here");
                     diag.span_note(prev_span, "previous binding is here");
                 },
             );

tests/ui/shadow.stderr

@@ -42,11 +42,6 @@ LL |     let x = { *x + 1 };
    |         ^
    |
    = note: `-D clippy::shadow-reuse` implied by `-D warnings`
-note: initialization happens here
-  --> $DIR/shadow.rs:30:13
-   |
-LL |     let x = { *x + 1 };
-   |             ^^^^^^^^^^
 note: previous binding is here
   --> $DIR/shadow.rs:29:9
    |
@@ -59,11 +54,6 @@ error: `x` is shadowed by `id(x)` which reuses the original value
 LL |     let x = id(x);
    |         ^
    |
-note: initialization happens here
-  --> $DIR/shadow.rs:31:13
-   |
-LL |     let x = id(x);
-   |             ^^^^^
 note: previous binding is here
   --> $DIR/shadow.rs:30:9
    |
@@ -76,11 +66,6 @@ error: `x` is shadowed by `(1, x)` which reuses the original value
 LL |     let x = (1, x);
    |         ^
    |
-note: initialization happens here
-  --> $DIR/shadow.rs:32:13
-   |
-LL |     let x = (1, x);
-   |             ^^^^^^
 note: previous binding is here
   --> $DIR/shadow.rs:31:9
    |
@@ -93,11 +78,6 @@ error: `x` is shadowed by `first(x)` which reuses the original value
 LL |     let x = first(x);
    |         ^
    |
-note: initialization happens here
-  --> $DIR/shadow.rs:33:13
-   |
-LL |     let x = first(x);
-   |             ^^^^^^^^
 note: previous binding is here
   --> $DIR/shadow.rs:32:9
    |
@@ -111,11 +91,6 @@ LL |     let x = y;
    |         ^
    |
    = note: `-D clippy::shadow-unrelated` implied by `-D warnings`
-note: initialization happens here
-  --> $DIR/shadow.rs:35:13
-   |
-LL |     let x = y;
-   |             ^
 note: previous binding is here
   --> $DIR/shadow.rs:33:9
    |