Remove 'Debug JS on-device (experimental)' feature

Reviewed By: bnham

Differential Revision: D5706200

fbshipit-source-id: f389222a9266819c5730860a2e3e461eb1068d0e

React/Inspector/RCTInspectorPackagerConnection.h

@@ -11,7 +11,6 @@
 - (void)connect;
 - (void)closeQuietly;
 - (void)sendEventToAllConnections:(NSString *)event;
-- (void)sendOpenEvent:(NSString *)pageId;
 @end
 
 @interface RCTInspectorRemoteConnection : NSObject

React/Inspector/RCTInspectorPackagerConnection.m

@@ -51,12 +51,6 @@ RCT_NOT_IMPLEMENTED(- (instancetype)init)
   return self;
 }
 
-- (void)sendOpenEvent:(NSString *)pageId
-{
-  NSDictionary<NSString *, id> *payload = makePageIdPayload(pageId);
-  [self sendEvent:@"open" payload:payload];
-}
-
 - (void)handleProxyMessage:(NSDictionary<NSString *, id> *)message
 {
   NSString *event = message[@"event"];