BLD: Update conda meta for logbook 0.12.5

conda/logbook/meta.yaml

@@ -1,11 +1,11 @@
 package:
   name: logbook
-  version: "0.10.0"
+  version: "0.12.5"
 
 source:
-  fn: Logbook-0.10.0.tar.gz
-  url: https://pypi.python.org/packages/source/L/Logbook/Logbook-0.10.0.tar.gz
-  md5: 92439ce6f71f3120d65d84c2a3ab5047
+  fn: Logbook-0.12.5.tar.gz
+  url: https://pypi.python.org/packages/source/L/Logbook/Logbook-0.12.5.tar.gz
+  md5: 1bf64289b9b4cada5a61817c63dd9e82
 #  patches:
    # List any patch files here
    # - fix.patch
@@ -30,11 +30,9 @@ requirements:
   build:
     - python
     - setuptools
-    - six >=1.4.0
 
   run:
     - python
-    - six >=1.4.0
 
 test:
   # Python imports