repo: Prevent repo from setting log level (#3321)

* Removed setting log level

* removed loglevel schema

dvc/config.py

@@ -105,7 +105,6 @@ SCHEMA = {
     "core": {
         "remote": Lower,
         "checksum_jobs": All(Coerce(int), Range(1)),
-        "loglevel": All(Lower, Choices("info", "debug", "warning", "error")),
         Optional("interactive", default=False): Bool,
         Optional("analytics", default=True): Bool,
         Optional("hardlink_lock", default=False): Bool,

dvc/repo/__init__.py

@@ -1,4 +1,3 @@
-import logging
 import os
 from contextlib import contextmanager
 from functools import wraps
@@ -21,9 +20,6 @@ from dvc.utils.fs import path_isin
 from .graph import check_acyclic, get_pipeline, get_pipelines
 
 
-logger = logging.getLogger(__name__)
-
-
 def locked(f):
     @wraps(f)
     def wrapper(repo, *args, **kwargs):
@@ -100,10 +96,6 @@ class Repo(object):
         # any possible state corruption in 'shared cache dir' scenario.
         self.state = State(self)
 
-        level = self.config.get("core", {}).get("loglevel")
-        if level:
-            logger.setLevel(level.upper())
-
         self.cache = Cache(self)
         self.cloud = DataCloud(self)