Revert "Test different types of wildcards in Pdm3PojoUnitTest"

This reverts commit 79583dc97e91b9c1ed232ccc675629b636184f96.
Revert "When analysing WildcardType try lower bounds first, then upper bounds"

This reverts commit 2a981dfa85a60b54e1034b62588b0165bf768976.
Revert "PDM-3 Refined test case and added another wildcard example for a type"

This reverts commit 5c97bdea4ca23b45dd3151b9ae564d5eb6f1f601.