give up on trying to pass bind_at_load (non-critical flag)

Author: Dane Springmeyer

setup.py

@@ -35,7 +35,6 @@
     linkflags = subprocess.check_output([mapnik_config, '--libs']).rstrip('\n').split(' ')
     lib_path = linkflags[0][2:]
     linkflags.extend(subprocess.check_output([mapnik_config, '--ldflags']).rstrip('\n').split(' '))
-    linkflags.extend(['-Wl,-bind_at_load'])
 except:
     raise Exception("Failed to find proper linking flags from mapnik config");