Removing unused imports

[peterbae]

Removing unused imports from SQLServerSpatialDatatype.

[codecov-io]

Codecov Report

Merging #652 into dev will increase coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                dev     #652      +/-   ##
============================================
+ Coverage     48.05%   48.05%   +<.01%     
  Complexity     2571     2571              
============================================
  Files           113      113              
  Lines         26574    26574              
  Branches       4429     4429              
============================================
+ Hits          12769    12770       +1     
  Misses        11680    11680              
+ Partials       2125     2124       -1

Flag	Coverage Δ	Complexity Δ
#JDBC42	47.96% <ø> (-0.01%)	2568 <ø> (ø)
#JDBC43	47.88% <ø> (ø)	2563 <ø> (-3)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
...osoft/sqlserver/jdbc/SQLServerSpatialDatatype.java	87.43% <ø> (ø)	266 <0> (ø)	⬇️
...a/com/microsoft/sqlserver/jdbc/PLPInputStream.java	53.01% <0%> (-1.21%)	29% <0%> (-1%)
...c/main/java/com/microsoft/sqlserver/jdbc/Util.java	60.91% <0%> (-0.44%)	88% <0%> (-1%)
...om/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	52.54% <0%> (-0.07%)	238% <0%> (-1%)
...ncurrentlinkedhashmap/ConcurrentLinkedHashMap.java	39.18% <0%> (+0.64%)	43% <0%> (+1%)	⬆️
...om/microsoft/sqlserver/jdbc/ReaderInputStream.java	43.82% <0%> (+1.12%)	15% <0%> (+1%)	⬆️
...om/microsoft/sqlserver/jdbc/SimpleInputStream.java	52.59% <0%> (+1.48%)	12% <0%> (+1%)	⬆️

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