Fix missing data on used instrumentation hooks. (#649)

Co-authored-by: Lalleh Rafeei <[email protected]>

Author: TimPansino

newrelic/core/environment.py

@@ -29,11 +29,6 @@
     total_physical_memory,
 )
 
-# try:
-#     import pkg_resources
-# except ImportError:
-#     pass
-
 try:
     import newrelic.core._thread_utilization
 except ImportError:
@@ -245,7 +240,7 @@ def get_version(name):  # pylint: disable=function-redefined
             version = get_version(name)
             plugins.append("%s (%s)" % (name, version))
         except Exception:
-            pass
+            plugins.append(name)
 
     env.append(("Plugin List", plugins))