Remove some v0.6.0 examples from testing

Per
#373 (comment), we
don't explicitly support v0.6.0 STAC, and these two examples were
breaking tests.

Author: gadomski

tests/data-files/examples/example-info.csv

@@ -121,19 +121,6 @@
 "iserv-0.6.1/2013/03/catalog.json","CATALOG","0.6.1",""
 "iserv-0.6.1/2013/catalog.json","CATALOG","0.6.1",""
 "iserv-0.6.1/catalog.json","COLLECTION","0.6.1",""
-"landsat-0.6.0/010/117/2015-01-02/LC80101172015002LGN00.json","ITEM","0.6.0","eo"
-"landsat-0.6.0/010/117/catalog.json","CATALOG","0.6.0",""
-"landsat-0.6.0/010/catalog.json","COLLECTION","0.6.0",""
-"landsat-0.6.0/156/029/2015-01-01/LC81560292015001LGN00.json","ITEM","0.6.0","eo"
-"landsat-0.6.0/156/029/catalog.json","CATALOG","0.6.0",""
-"landsat-0.6.0/156/catalog.json","COLLECTION","0.6.0",""
-"landsat-0.6.0/catalog.json","CATALOG","0.6.0",""
-"sentinel-0.6.0/catalog.json","CATALOG","0.6.0",""
-"sentinel-0.6.0/sentinel-2-l1c/9/V/XK/2017-10-13/S2B_9VXK_20171013_0.json","ITEM","0.6.0","eo"
-"sentinel-0.6.0/sentinel-2-l1c/9/V/XK/catalog.json","CATALOG","0.6.0",""
-"sentinel-0.6.0/sentinel-2-l1c/9/V/catalog.json","CATALOG","0.6.0",""
-"sentinel-0.6.0/sentinel-2-l1c/9/catalog.json","CATALOG","0.6.0",""
-"sentinel-0.6.0/sentinel-2-l1c/catalog.json","COLLECTION","0.6.0",""
 "hand-0.9.0/collection.json","COLLECTION","0.9.0",""
 "hand-0.8.1/collection.json","COLLECTION","0.8.1",""
 "1.0.0-RC3/catalog.json","CATALOG","1.0.0-rc.3",""