Remove unsupported legacy implementation prop from examples

Author: satya164

versioned_docs/version-7.x/drawer-based-navigation.md

@@ -266,7 +266,6 @@ const Drawer = createDrawerNavigator();
 function MyDrawer() {
   return (
     <Drawer.Navigator
-      useLegacyImplementation
       drawerContent={(props) => <CustomDrawerContent {...props} />}
     >
       <Drawer.Screen name="Feed" component={Feed} />
@@ -418,7 +417,6 @@ const Drawer = createDrawerNavigator();
 function MyDrawer() {
   return (
     <Drawer.Navigator
-      useLegacyImplementation
       drawerContent={(props) => <CustomDrawerContent {...props} />}
     >
       <Drawer.Screen name="Feed" component={Feed} />
@@ -598,7 +596,6 @@ const Drawer = createDrawerNavigator();
 function MyDrawer() {
   return (
     <Drawer.Navigator
-      useLegacyImplementation
       drawerContent={(props) => <CustomDrawerContent {...props} />}
     >
       <Drawer.Screen name="Feed" component={Feed} />

versioned_docs/version-7.x/themes.md

@@ -205,7 +205,7 @@ export default function App() {
   return (
     // highlight-next-line
     <NavigationContainer theme={MyTheme}>
-      <Drawer.Navigator useLegacyImplementation initialRouteName="Root">
+      <Drawer.Navigator initialRouteName="Root">
         <Drawer.Screen name="Home" component={HomeScreen} />
         <Drawer.Screen
           name="Root"
@@ -565,7 +565,7 @@ export default function App() {
   return (
     // highlight-next-line
     <NavigationContainer theme={scheme === 'dark' ? DarkTheme : DefaultTheme}>
-      <Drawer.Navigator useLegacyImplementation>
+      <Drawer.Navigator>
         <Drawer.Screen name="Home" component={HomeScreen} />
         <Drawer.Screen
           name="Root"
@@ -791,7 +791,7 @@ export default function App() {
 
   return (
     <NavigationContainer theme={scheme === 'dark' ? DarkTheme : DefaultTheme}>
-      <Drawer.Navigator useLegacyImplementation initialRouteName="Root">
+      <Drawer.Navigator initialRouteName="Root">
         <Drawer.Screen name="Home" component={HomeScreen} />
         <Drawer.Screen
           name="Root"

versioned_docs/version-7.x/use-theme.md

@@ -218,7 +218,7 @@ export default function App() {
 
   return (
     <NavigationContainer theme={scheme === 'dark' ? DarkTheme : DefaultTheme}>
-      <Drawer.Navigator useLegacyImplementation>
+      <Drawer.Navigator>
         <Drawer.Screen name="Home" component={HomeScreen} />
         <Drawer.Screen
           name="Root"