Remove solution files directory.

Author: hikalkan

aspnet-core/AbpCompanyName.AbpProjectName.sln

@@ -1,12 +1,10 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26228.4
+VisualStudioVersion = 15.0.26228.9
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{AFAA0841-BD93-466F-B8F4-FB4EEC86F1FC}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8326CDCE-1AB4-4188-96E1-640A068AE3AE}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{F10AA149-2626-486E-85BB-9CD5365F3016}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AbpCompanyName.AbpProjectName.Core", "src\AbpCompanyName.AbpProjectName.Core\AbpCompanyName.AbpProjectName.Core.csproj", "{0FA75A5B-AB83-4FD0-B545-279774C01E87}"