Do not fabricate playerID for playerView

the user can now click on the playerID on the Debug UI to see the
view for that particular player.

src/client/client.js

@@ -196,11 +196,7 @@ class _ClientImpl {
     // Secrets are normally stripped on the server,
     // but we also strip them here so that game developers
     // can see their effects while prototyping.
-    let playerID = this.playerID;
-    if (!this.multiplayer && !playerID) {
-      playerID = state.ctx.currentPlayer;
-    }
-    const G = this.game.playerView(state.G, state.ctx, playerID);
+    const G = this.game.playerView(state.G, state.ctx, this.playerID);
 
     // Combine into return value.
     let ret = { ...state, isActive, G };

src/client/react-native.test.js

@@ -185,19 +185,9 @@ test('local playerView', () => {
     numPlayers: 2,
   });
 
-  {
-    const game = Enzyme.mount(<Board />);
-    const board = game.find('TestBoard').instance();
-    expect(board.props.G).toEqual({ stripped: '0' });
-    board.props.events.endTurn();
-    expect(board.props.G).toEqual({ stripped: '1' });
-  }
-
-  {
-    const game = Enzyme.mount(<Board playerID="1" />);
-    const board = game.find('TestBoard').instance();
-    expect(board.props.G).toEqual({ stripped: '1' });
-  }
+  const game = Enzyme.mount(<Board playerID="1" />);
+  const board = game.find('TestBoard').instance();
+  expect(board.props.G).toEqual({ stripped: '1' });
 });
 
 test('reset Game', () => {

src/client/react.test.js

@@ -197,19 +197,9 @@ test('local playerView', () => {
     numPlayers: 2,
   });
 
-  {
-    const game = Enzyme.mount(<Board />);
-    const board = game.find('TestBoard').instance();
-    expect(board.props.G).toEqual({ stripped: '0' });
-    board.props.events.endTurn();
-    expect(board.props.G).toEqual({ stripped: '1' });
-  }
-
-  {
-    const game = Enzyme.mount(<Board playerID="1" />);
-    const board = game.find('TestBoard').instance();
-    expect(board.props.G).toEqual({ stripped: '1' });
-  }
+  const game = Enzyme.mount(<Board playerID="1" />);
+  const board = game.find('TestBoard').instance();
+  expect(board.props.G).toEqual({ stripped: '1' });
 });
 
 test('reset Game', () => {