cleanup, replace old unmaintained rocksdb package with new maintained one

Author: merl111

Phantasma.RocksDB/Phantasma.RocksDB.csproj

@@ -1,15 +1,14 @@
-<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="Current">
-  <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
-    <FileUpgradeFlags>40</FileUpgradeFlags>
-    <UpgradeBackupLocation>C:\code\PhantasmaSpook\Backup\Phantasma.RocksDB\</UpgradeBackupLocation>
-    <OldToolsVersion>Current</OldToolsVersion>
-  </PropertyGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\Phantasma.Storage\Phantasma.Storage.csproj" />
-  </ItemGroup>
-  <ItemGroup>
-    <PackageReference Include="RocksDbSharp" Version="6.2.2" />
-    <PackageReference Include="RocksDbNative" Version="6.2.2" />
-  </ItemGroup>
-</Project>
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="Current">
+  <PropertyGroup>
+    <TargetFramework>netstandard2.1</TargetFramework>
+    <FileUpgradeFlags>40</FileUpgradeFlags>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Phantasma.Storage\Phantasma.Storage.csproj" />
+  </ItemGroup>
+  <ItemGroup>
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="rocksdb" Version="6.17.3.16253" />
+  </ItemGroup>
+</Project>