Cleanup exception messages

Closes #2054

src/NzbDrone.Core/DataAugmentation/Scene/SceneMappingService.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using NLog;
 using NzbDrone.Common.Cache;
@@ -177,12 +177,12 @@ namespace NzbDrone.Core.DataAugmentation.Scene
                     }
                     else
                     {
-                        _logger.Warn("Received empty list of mapping. will not update.");
+                        _logger.Warn("Received empty list of mapping. will not update");
                     }
                 }
                 catch (Exception ex)
                 {
-                    _logger.Error(ex, "Failed to Update Scene Mappings.");
+                    _logger.Error(ex, "Failed to Update Scene Mappings");
                 }
             }
 

src/NzbDrone.Core/Indexers/Newznab/NewznabCapabilitiesProvider.cs

@@ -68,14 +68,14 @@ namespace NzbDrone.Core.Indexers.Newznab
             }
             catch (XmlException ex)
             {
-                _logger.Debug(ex, "Failed to parse newznab api capabilities for {0}.", indexerSettings.BaseUrl);
+                _logger.Debug(ex, "Failed to parse newznab api capabilities for {0}", indexerSettings.BaseUrl);
 
                 ex.WithData(response);
                 throw;
             }
             catch (Exception ex)
             {
-                _logger.Error(ex, "Failed to determine newznab api capabilities for {0}, using the defaults instead till Sonarr restarts.", indexerSettings.BaseUrl);
+                _logger.Error(ex, "Failed to determine newznab api capabilities for {0}, using the defaults instead till Sonarr restarts", indexerSettings.BaseUrl);
             }
 
             return capabilities;