Replaced specific exception handlers with the common one during FF requests

Author: DenisNikulin5

src/Agent.Listener/Configuration/FeatureFlagProvider.cs

@@ -61,21 +61,11 @@ public async Task<FeatureFlag> GetFeatureFlagWithCred(IHostContext context, stri
             {
                 return await client.GetFeatureFlagByNameAsync(featureFlagName, checkFeatureExists: false, ctk);
             }
-            catch (VssServiceException e)
+            catch (Exception e)
             {
                 Trace.Warning("Unable to retrieve feature flag status: " + e.ToString());
                 return new FeatureFlag(featureFlagName, "", "", "Off", "Off");
             }
-            catch (VssUnauthorizedException e)
-            {
-                Trace.Warning("Unable to retrieve feature flag with following exception: " + e.ToString());
-                return new FeatureFlag(featureFlagName, "", "", "Off", "Off");
-            }
-            catch (TimeoutException e)
-            {
-                Trace.Warning("Unable to retrieve feature flag status due to timeout error: " + e.ToString());
-                return new FeatureFlag(featureFlagName, "", "", "Off", "Off");
-            }
         }
     }
 }