Removed support to IBM DB2, by incompatibility issues

Author: brunossn

Diff for: DatabaseToCSV/DatabaseToCSV.csproj

@@ -52,12 +52,6 @@
     <Reference Include="FirebirdSql.Data.FirebirdClient, Version=5.10.0.0, Culture=neutral, PublicKeyToken=3750abcc3150b00c, processorArchitecture=MSIL">
       <HintPath>..\packages\FirebirdSql.Data.FirebirdClient.5.10.0\lib\net452\FirebirdSql.Data.FirebirdClient.dll</HintPath>
     </Reference>
-    <Reference Include="IBM.Data.DB2, Version=9.7.4.4, Culture=neutral, PublicKeyToken=7c307b91aa13d208, processorArchitecture=AMD64">
-      <HintPath>..\packages\IBM.Data.DB2.10.0.5.5\lib\net451\IBM.Data.DB2.dll</HintPath>
-    </Reference>
-    <Reference Include="IBM.Data.DB2.Entity, Version=9.7.4.4, Culture=neutral, PublicKeyToken=7c307b91aa13d208, processorArchitecture=AMD64">
-      <HintPath>..\packages\IBM.Data.DB2.10.0.5.5\lib\net451\IBM.Data.DB2.Entity.dll</HintPath>
-    </Reference>
     <Reference Include="MySql.Data, Version=6.10.4.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, processorArchitecture=MSIL">
       <HintPath>..\packages\MySql.Data.6.10.4\lib\net452\MySql.Data.dll</HintPath>
     </Reference>

Diff for: DatabaseToCSV/Program.cs

@@ -9,7 +9,6 @@
 using System.IO;
 using System.Text;
 using Npgsql;
-using IBM.Data.DB2;
 
 namespace DatabaseToCSV
 {
@@ -96,7 +95,7 @@ private static DbConnection GetConnection(eDatabase databaseType, string connect
                 case eDatabase.Access:
                     return new OleDbConnection(connectionString);
                 case eDatabase.DB2:
-                    return new DB2Connection(connectionString);
+                    throw new Exception("The IBM DB2 database is no longer supported.");
                 case eDatabase.PostgreSql:
                     return new NpgsqlConnection(connectionString);
                 default:

Diff for: DatabaseToCSV/packages.config

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FirebirdSql.Data.FirebirdClient" version="5.10.0" targetFramework="net461" />
-  <package id="IBM.Data.DB2" version="10.0.5.5" targetFramework="net461" />
   <package id="MySql.Data" version="6.10.4" targetFramework="net461" />
   <package id="Npgsql" version="4.0.1" targetFramework="net461" />
   <package id="Oracle.ManagedDataAccess" version="12.2.1100" targetFramework="net452" />