Revert "pkg-resolver script working dir agnostic"

This reverts commit f81dcf7.

dev-support/docker/pkg-resolver/check_platform.py

@@ -21,18 +21,15 @@
 """
 
 import json
-import os
 import sys
 
 
-current_directory = os.path.dirname(os.path.abspath(__file__))
-
 def get_platforms():
     """
     :return: A list of the supported platforms managed by pkg-resolver.
     """
 
-    with open('%s/platforms.json' % current_directory, encoding='utf-8', mode='r') as platforms_file:
+    with open('pkg-resolver/platforms.json', encoding='utf-8', mode='r') as platforms_file:
         return json.loads(platforms_file.read())
 
 

dev-support/docker/pkg-resolver/resolve.py

@@ -22,13 +22,10 @@
 
 import argparse
 import json
-import os
 import sys
 from check_platform import is_supported_platform
 
 
-current_directory = os.path.dirname(os.path.abspath(__file__))
-
 def get_packages(platform, release=None):
     """
     Resolve and get the list of packages to install for the given platform.
@@ -38,7 +35,7 @@ def get_packages(platform, release=None):
     specified release.
     :return: A list of resolved packages to install.
     """
-    with open('%s/packages.json' % current_directory, encoding='utf-8', mode='r') as pkg_file:
+    with open('pkg-resolver/packages.json', encoding='utf-8', mode='r') as pkg_file:
         pkgs = json.loads(pkg_file.read())
     packages = []