Bump min windows version to 10.0.17763.0 (#2719)

* Bump min windows version to 10.0.17763.0

* remove v140 toolset

Author: MikhailSuendukov

windows/CodePush/CodePush.vcxproj

@@ -14,8 +14,8 @@
     <AppContainerApplication>true</AppContainerApplication>
     <ApplicationType>Windows Store</ApplicationType>
     <ApplicationTypeRevision>10.0</ApplicationTypeRevision>
-    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.18362.0</WindowsTargetPlatformVersion>
-    <WindowsTargetPlatformMinVersion>10.0.17134.0</WindowsTargetPlatformMinVersion>
+    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformMinVersion>10.0.17763.0</WindowsTargetPlatformMinVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Label="ReactNativeWindowsProps">
@@ -57,7 +57,6 @@
   </ItemGroup>
   <PropertyGroup Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
-    <PlatformToolset>v140</PlatformToolset>
     <PlatformToolset Condition="'$(VisualStudioVersion)' == '15.0'">v141</PlatformToolset>
     <PlatformToolset Condition="'$(VisualStudioVersion)' == '16.0'">v142</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>