remove plpython and python code for now. also removed mistaken installation of postgres_fdw in tests

src/python/Makefile

@@ -1,9 +0,0 @@
-include ../../Makefile.global
-
-# Install the package locally for development
-
-install:
-	pip install --upgrade ./observatory
-
-test:
-	#TODO noop

src/python/observatory/observatory/osm.py

@@ -1,11 +0,0 @@
-from overpass import API
-
-import json
-
-def get_overpass(query):
-    '''
-    Return results of a raw overpass query.
-    '''
-    api = API()
-    response = api.Get(query)
-    return response['features']

src/python/observatory/requirements.txt

@@ -1 +0,0 @@
-overpass==0.5.6

src/python/observatory/setup.py

@@ -1,50 +0,0 @@
-"""
-CartoDB Spatial Analysis Python Library
-See:
-https://github.com/CartoDB/crankshaft
-"""
-
-from setuptools import setup, find_packages
-
-setup(
-    name='observatory',
-
-    version='0.0.1',
-
-    description='CARTO Observatory Python Library',
-
-    url='https://github.com/CartoDB/observatory-extension',
-
-    author='Research and Data - CARTO',
-    author_email='john@carto.com',
-
-    license='MIT',
-
-    classifiers=[
-        'Development Status :: 3 - Alpha',
-        'Intended Audience :: Mapping comunity',
-        'Topic :: Maps :: Mapping Tools',
-        'License :: OSI Approved :: MIT License',
-        'Programming Language :: Python :: 2.7',
-    ],
-
-    keywords='maps mapping tools spatial data',
-
-    packages=find_packages(exclude=['contrib', 'docs', 'tests']),
-
-    extras_require={
-        'dev': ['unittest'],
-        'test': ['unittest', 'nose', 'mock'],
-    },
-
-    # The choice of component versions is dictated by what's
-    # provisioned in the production servers.
-    # IMPORTANT NOTE: please don't change this line. Instead issue a ticket to systems for evaluation.
-    install_requires=[],
-    #install_requires=['overpass==0.5.6'],
-
-    requires=[],
-    #requires=['overpass'],
-
-    #test_suite='test'
-)