Allow keyboard shortcuts (betaflight#4205)

src/js/main.js

@@ -353,21 +353,6 @@ function startProcess() {
         }
     });
 
-    $("#content").on('keydown', 'input[type="number"]', function (e) {
-        // whitelist all that we need for numeric control
-        const whitelist = [
-            96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, // numpad and standard number keypad
-            109, 189, // minus on numpad and in standard keyboard
-            8, 46, 9, // backspace, delete, tab
-            190, 110, // decimal point
-            37, 38, 39, 40, 13, // arrows and enter
-        ];
-
-        if (whitelist.indexOf(e.keyCode) === -1) {
-            e.preventDefault();
-        }
-    });
-
     $("#content").on('change', 'input[type="number"]', function () {
         const element = $(this);
         const min = parseFloat(element.prop('min'));