Disable Wyam and code coverage until issues on AppVeyor are fixed (#334)

Author: pascalberger

recipe.cake

@@ -12,7 +12,10 @@ BuildParameters.SetParameters(
     appVeyorAccountName: "cakecontrib",
     shouldCalculateVersion: true,
     shouldRunDupFinder: false, // dupFinder is missing in 2021.3.0-eap
-    shouldRunDotNetCorePack: true);
+    shouldRunDotNetCorePack: true,
+    shouldGenerateDocumentation: false, // Fails to restore tool on AppVeyor
+    ShouldRunCoveralls: false, // Fails to restore tool on AppVeyor
+    ShouldRunCodecov: false); // Fails to restore tool on AppVeyor
 
 BuildParameters.PrintParameters(Context);