Fix fill-to-min and try-replace behaviours

Remove the `RemoveConnection` call in both, as they call something which already removes the connection

Author: senseibaka

src/AdoNetCore.AseClient/Internal/ConnectionPool.cs

@@ -212,7 +212,6 @@ private async Task TryFillPoolToMinSize()
                 catch(Exception ex)
                 {
                     Logger.Instance?.WriteLine($"{nameof(TryFillPoolToMinSize)} exception: {ex}");
-                    RemoveConnection();
                 }
             }
             Logger.Instance?.WriteLine($"{nameof(TryFillPoolToMinSize)} end");
@@ -231,7 +230,6 @@ private async Task TryReplaceConnection()
                 catch (Exception ex)
                 {
                     Logger.Instance?.WriteLine($"{nameof(TryReplaceConnection)} exception: {ex}");
-                    RemoveConnection();
                 }
             }
         }