remove unused code from hprof parse script

Summary: remove urllib2 and call to it, since OSS script is purely for local cmdline

Differential Revision: D3172510

fb-gh-sync-id: b8a19dbdd5e7ccbfa862ba447824b37eff5eeee9
fbshipit-source-id: b8a19dbdd5e7ccbfa862ba447824b37eff5eeee9

tools/hprof/dump_classes_from_hprof.py

@@ -23,7 +23,6 @@
 import subprocess
 import sys
 import tempfile
-import urllib2
 
 def parse_hprof_dump(instream):
     # Read the tag - a null-terminated string
@@ -53,10 +52,6 @@ def parse_file(instream):
 def parse_filename(filename):
     return parse_hprof_dump(open(filename, 'rb'))
 
-def parse_url(url):
-    response = urllib2.urlopen(url)
-    return parse_hprof_dump(response)
-
 class HprofTag(enum.Enum):
     STRING = 0x01
     LOAD_CLASS = 0x02