style(figlet): update default text and remove search keyboard hint

components/units/converter/SearchUnits.tsx

@@ -97,30 +97,6 @@ export default function SearchUnits({ onSelectUnit, className }: SearchUnitsProp
     return () => document.removeEventListener('mousedown', handleClickOutside);
   }, []);
 
-  // Keyboard shortcut: / to focus search
-  useEffect(() => {
-    function handleKeyDown(e: KeyboardEvent) {
-      if (e.key === '/' && !e.ctrlKey && !e.metaKey) {
-        const activeElement = document.activeElement;
-        if (
-          activeElement?.tagName !== 'INPUT' &&
-          activeElement?.tagName !== 'TEXTAREA'
-        ) {
-          e.preventDefault();
-          inputRef.current?.focus();
-        }
-      }
-
-      if (e.key === 'Escape') {
-        setIsOpen(false);
-        inputRef.current?.blur();
-      }
-    }
-
-    document.addEventListener('keydown', handleKeyDown);
-    return () => document.removeEventListener('keydown', handleKeyDown);
-  }, []);
-
   const handleSelectUnit = (unit: string, measure: Measure) => {
     onSelectUnit(unit, measure);
     setQuery('');
@@ -140,7 +116,7 @@ export default function SearchUnits({ onSelectUnit, className }: SearchUnitsProp
         <Input
           ref={inputRef}
           type="text"
-          placeholder="Search units (press / to focus)"
+          placeholder="Search units..."
           value={query}
           onChange={(e) => setQuery(e.target.value)}
           onFocus={() => query && setIsOpen(true)}