Revert "removed redundant check of logger level (#883)"

[rene-ye]

This reverts commit 25028fb.

[codecov-io]

Codecov Report

Merging #891 into dev will decrease coverage by 1.47%.
The diff coverage is 18.41%.

@@             Coverage Diff              @@
##                dev     #891      +/-   ##
============================================
- Coverage     50.16%   48.69%   -1.48%     
- Complexity     2815     2819       +4     
============================================
  Files           118      118              
  Lines         27027    27877     +850     
  Branches       4241     4642     +401     
============================================
+ Hits          13559    13574      +15     
- Misses        11531    12110     +579     
- Partials       1937     2193     +256

Flag	Coverage Δ	Complexity Δ
#JDBC42	48.17% <18.34%> (-1.51%)	2773 <118> (+2)
#JDBC43	48.58% <18.41%> (-1.52%)	2812 <122> (ø)

Impacted Files	Coverage Δ	Complexity Δ
...m/microsoft/sqlserver/jdbc/SQLServerResultSet.java	32.74% <ø> (-2.47%)	256 <0> (+3)
...om/microsoft/sqlserver/jdbc/AuthenticationJNI.java	0% <0%> (ø)	0 <0> (ø)	⬇️
.../microsoft/sqlserver/jdbc/SQLServerXAResource.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...microsoft/sqlserver/jdbc/FailOverMapSingleton.java	13.79% <0%> (-0.5%)	0 <0> (ø)
...m/microsoft/sqlserver/jdbc/KerbAuthentication.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...icrosoft/sqlserver/jdbc/SQLServerXAConnection.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...microsoft/sqlserver/jdbc/SQLServerADAL4JUtils.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...icrosoft/sqlserver/jdbc/SQLServerXADataSource.java	6.25% <0%> (-2.09%)	2 <0> (ø)
...rc/main/java/com/microsoft/sqlserver/jdbc/DDC.java	45.33% <0%> (+0.89%)	109 <0> (ø)	⬇️
.../com/microsoft/sqlserver/jdbc/SQLServerDriver.java	80.22% <0%> (-0.37%)	25 <0> (ø)
... and 34 more

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