Fabric: `setNativeProps` methods was removed from `FabricUIManager` Flow type declaration

Summary:
FabricUIManager does not support it, the declaration is not correct.

Changelog: [Internal] Fabric-specific internal change.

Created from Diffusion's 'Open in Editor' feature.

Differential Revision: D26241483

fbshipit-source-id: 8a894dc847bce9c196d8ac2e1601853e4fe03e1d

Libraries/ReactNative/FabricUIManager.js

@@ -38,7 +38,6 @@ export type Spec = {|
   +appendChild: (parentNode: Node, child: Node) => Node,
   +appendChildToSet: (childSet: NodeSet, child: Node) => void,
   +completeRoot: (rootTag: number, childSet: NodeSet) => void,
-  +setNativeProps: (node: Node, nativeProps: NodeProps) => void,
   +measure: (node: Node, callback: MeasureOnSuccessCallback) => void,
   +measureInWindow: (
     node: Node,