cmsis: importer sha removal

I had to resolve conflicts with these sha. CMSIS 5.8.0 includes fixes and makes these changes
irrelevant.

Author: 0xc0170

tools/importer/cmsis_importer.json

@@ -146,12 +146,7 @@
    "commit_sha" : [
       "4360b7bbf815c4d812005938c9c27af199803a97",
       "fb354752eb69403ad503c8e53da67da6483776d6",
-      "d3f7abdb7c109517e6a71daed8bae63ad6436afc",
-      "08ab8cc47d8722bf0c767990cd615cf1c427d006",
-      "dd21ea0ae0559f148d3ff5b1a1937f9d7e0e1138",
-      "9549fff786475bdcd6ab1d8ac8db1c8618c19f6f",
-      "96e0689204d375e23bf69d7787a18ba07182f085",
-      "7149ffed11c0ef6a16f8808f12b7aca16921a66a"
+      "08ab8cc47d8722bf0c767990cd615cf1c427d006"
     ]
 }