remove legacy material linkage

There are no PC, HIPS, TPU, PC, BVOH materials for makerbot series and the references used point to Generic 175 material GUIDs which is blocked for the makerbot/sketch series.

cura/PrinterOutput/FormatMaps.py

@@ -35,16 +35,11 @@ class FormatMaps:
          "nylon12-cf": {"name": "Nylon 12 CF", "guid": "3c6f2877-71cc-4760-84e6-4b89ab243e3b"},
          "nylon-cf": {"name": "Nylon CF", "guid": "17abb865-ca73-4ccd-aeda-38e294c9c60b"},
          "nylon": {"name": "Nylon", "guid": "9475b03d-fd19-48a2-b7b5-be1fb46abb02"},
-         "pc": {"name": "PC", "guid": "62414577-94d1-490d-b1e4-7ef3ec40db02"},
          "petg": {"name": "PETG", "guid": "2d004bbd-d1bb-47f8-beac-b066702d5273"},
          "pla": {"name": "PLA", "guid": "abb9c58e-1f56-48d1-bd8f-055fde3a5b56"},
          "pva": {"name": "PVA", "guid": "add51ef2-86eb-4c39-afd5-5586564f0715"},
          "wss1": {"name": "RapidRinse", "guid": "a140ef8f-4f26-4e73-abe0-cfc29d6d1024"},
          "sr30": {"name": "SR-30", "guid": "77873465-83a9-4283-bc44-4e542b8eb3eb"},
-         "bvoh": {"name": "BVOH", "guid": "923e604c-8432-4b09-96aa-9bbbd42207f4"},
-         "cpe": {"name": "CPE", "guid": "da1872c1-b991-4795-80ad-bdac0f131726"},
-         "hips": {"name": "HIPS", "guid": "a468d86a-220c-47eb-99a5-bbb47e514eb0"},
-         "tpu": {"name": "TPU 95A", "guid": "19baa6a9-94ff-478b-b4a1-8157b74358d2"},
          "im-pla": {"name": "Tough", "guid": "96fca5d9-0371-4516-9e96-8e8182677f3c"}
          # /!\ When changing this list, make sure the changes are reported accordingly on Digital Factory
     }