Ladybird: Simplify the LocationEdit constructor

Author: https://github.com/cammo1123
Commit: https://github.com/SerenityOS/serenity/commit/c53d3e7aa4
Pull-request: https://github.com/SerenityOS/serenity/pull/19064
Reviewed-by: https://github.com/AtkinsSJ

Ladybird/Qt/LocationEdit.cpp

@@ -18,13 +18,8 @@ LocationEdit::LocationEdit(QWidget* parent)
     : QLineEdit(parent)
 {
     setPlaceholderText("Enter web address");
-    connect(this, &QLineEdit::returnPressed, this, [&] {
-        clearFocus();
-    });
-
-    connect(this, &QLineEdit::textChanged, this, [&] {
-        highlight_location();
-    });
+    connect(this, &QLineEdit::editingFinished, this, &LocationEdit::clearFocus);
+    connect(this, &QLineEdit::textChanged, this, &LocationEdit::highlight_location);
 }
 
 void LocationEdit::focusInEvent(QFocusEvent* event)