Update version base to 1.2 and clean up unused using directives in SqlClrFunctions.cs

Author: ZeidLab

src/EFCore/EFCore.csproj

@@ -9,7 +9,7 @@
     <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
     <!-- Versioning -->
     <Deterministic>true</Deterministic>
-    <VersionBase>1.0</VersionBase>
+    <VersionBase>1.2</VersionBase>
     <BuildNumber>$([System.DateTime]::Now.ToString("yyMM"))</BuildNumber>
     <Revision>$([System.DateTime]::Now.ToString("ddHH"))</Revision>
     <Version>$(VersionBase).$(BuildNumber).$(Revision)</Version>

src/EfCoreSqlClr/SqlClrFunctions.cs

@@ -1,10 +1,6 @@
-using System;
-using System.Collections.Generic;
 using System.Data.SqlTypes;
 using System.Diagnostics.Contracts;
-using System.Linq;
 using System.Runtime.CompilerServices;
-using System.Text;
 
 using Microsoft.SqlServer.Server;