remove unnecessary trailing unit

Author: Freddy03h

Diff for: src/Core.res

@@ -70,19 +70,19 @@ module Navigation = {
 
   @send external navigateDeprecated: (t, string, ~params: 'params=?) => unit = "navigateDeprecated"
 
-  @send external goBack: (navigation, unit) => unit = "goBack"
+  @send external goBack: navigation => unit = "goBack"
 
   @send
   external reset: (navigation, navigationState) => unit = "reset"
 
   @send external preload: (t, string, ~params: 'params=?) => unit = "preload"
 
-  @send external isFocused: (navigation, unit) => bool = "isFocused"
+  @send external isFocused: navigation => bool = "isFocused"
 
   @send
   external dispatch: (t, action) => unit = "dispatch"
 
-  @send external canGoBack: (navigation, unit) => bool = "canGoBack"
+  @send external canGoBack: navigation => bool = "canGoBack"
 
   @send external setParams: (navigation, 'params) => unit = "setParams"
 

Diff for: src/Drawer.res

@@ -148,7 +148,7 @@ module Navigation = {
   @send
   external setOptions: (navigation, options) => unit = "setOptions"
 
-  @send external jumpTo: (navigation, ~name: string, ~params: 'params=?, unit) => unit = "jumpTo"
+  @send external jumpTo: (navigation, ~name: string, ~params: 'params=?) => unit = "jumpTo"
   @send external openDrawer: navigation => unit = "openDrawer"
   @send external closeDrawer: navigation => unit = "closeDrawer"
   @send external toggleDrawer: navigation => unit = "toggleDrawer"

Diff for: src/NativeStack.res

@@ -232,11 +232,11 @@ module Navigation = {
   @deprecated("Use `push` with `~params` instead") @send
   external pushWithParams: (navigation, string, 'params) => unit = "push"
 
-  @send external pop: (navigation, ~count: int=?, unit) => unit = "pop"
+  @send external pop: (navigation, ~count: int=?) => unit = "pop"
 
   @send external popTo: (navigation, string, ~params: 'params=?) => unit = "popTo"
 
-  @send external popToTop: (navigation, unit) => unit = "popToTop"
+  @send external popToTop: navigation => unit = "popToTop"
 
   @send
   external addEventListener: (

Diff for: src/NavigationActions.res

@@ -3,12 +3,12 @@ type action
 type navigateParams
 
 @obj
-external navigateParams: (~routeName: string, ~params: {..}=?, unit) => navigateParams = ""
+external navigateParams: (~routeName: string, ~params: {..}=?) => navigateParams = ""
 
 type backParams
 
 @obj
-external backParams: (~key: string=?, ~immediate: bool=?, unit) => navigateParams = ""
+external backParams: (~key: string=?, ~immediate: bool=?) => navigateParams = ""
 
 @module("react-navigation") @scope("NavigationActions")
 external navigate: navigateParams => action = "navigate"

Diff for: src/Stack.res

@@ -216,11 +216,11 @@ module Navigation = {
   @deprecated("Use `push` with `~params` instead") @send
   external pushWithParams: (navigation, string, 'params) => unit = "push"
 
-  @send external pop: (navigation, ~count: int=?, unit) => unit = "pop"
+  @send external pop: (navigation, ~count: int=?) => unit = "pop"
 
   @send external popTo: (navigation, string, ~params: 'params=?) => unit = "popTo"
 
-  @send external popToTop: (navigation, unit) => unit = "popToTop"
+  @send external popToTop: navigation => unit = "popToTop"
 
   @send
   external addEventListener: (