pylint: Re-Enable all non-failing python3 pylint checks

Signed-off-by: Fabian P. Schmidt <kerel@mailbox.org>

.pylintrc3

@@ -5,24 +5,14 @@ ignored-argument-names=args|kwargs
 
 [MESSAGES CONTROL]
 disable=
-    C0103, # invalid-name
-    C0111, # missing-docstring
-    C0412, # ungrouped-imports
     E1101, # no-member
     E1121, # too-many-function-args
     E0237, # assigning-non-slot
-    R0201, # no-self-use
-    R0401, # cyclic-import
     R0801, # needs to remain disabled see https://github.com/PyCQA/pylint/issues/214
-    R0901, # too-many-ancestors
-    R0903, # too-few-public-methods
     R0912, # too-many-branches
     R0913, # too-many-arguments
     R0914, # too-many-locals
-    R0915, # too-many-statements
     W0201, # attribute-defined-outside-init
     W0621, # redefined-outer-name
     W0703, # broad-except
     W1308, # duplicate-string-formatting-argument
-    W1505, # deprecated-method
-    W5101, # model-missing-unicode