Applied suggestions from PR review.

Author: arellegue

src/Microsoft.Data.SqlClient/netfx/src/Microsoft/Data/Interop/SNINativeMethodWrapper.cs

@@ -1430,10 +1430,6 @@ internal static partial class SafeNativeMethods
     {
         [DllImport("kernel32.dll", CharSet = CharSet.Ansi, BestFitMapping = false, ThrowOnUnmappableChar = true, SetLastError = true)]
         internal static extern IntPtr GetProcAddress(IntPtr HModule, [MarshalAs(UnmanagedType.LPStr), In] string funcName);
-
-        [DllImport(ExternDll.Kernel32, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
-        [ResourceExposure(ResourceScope.Process)]
-        internal static extern IntPtr GetModuleHandle([MarshalAs(UnmanagedType.LPTStr), In] string moduleName/*lpctstr*/);
     }
 }