Remove explicit extends object

[JamieMagee]

All objects in Java implicity extend java.lang.Object so extends Object is redundant.

Removing it will reduce confusion, and increase code readability.

[codecov-io]

Codecov Report

Merging #469 into dev will increase coverage by 0.01%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##                dev     #469      +/-   ##
============================================
+ Coverage     46.26%   46.27%   +0.01%     
- Complexity     2201     2204       +3     
============================================
  Files           108      108              
  Lines         25227    25227              
  Branches       4172     4172              
============================================
+ Hits          11672    11675       +3     
+ Misses        11538    11526      -12     
- Partials       2017     2026       +9

Flag	Coverage Δ	Complexity Δ
#JDBC41	46.03% <0%> (-0.04%)	2193 <1> (+1)
#JDBC42	46.12% <0%> (+0.01%)	2193 <1> (-4)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
...in/java/com/microsoft/sqlserver/jdbc/IOBuffer.java	53.88% <ø> (+0.53%)	0 <0> (ø)	⬇️
src/main/java/microsoft/sql/Types.java	0% <ø> (ø)	0 <0> (ø)	⬇️
src/main/java/microsoft/sql/DateTimeOffset.java	41.42% <0%> (ø)	11 <1> (ø)	⬇️
...om/microsoft/sqlserver/jdbc/ReaderInputStream.java	44.94% <0%> (-2.25%)	16% <0%> (ø)
...rc/main/java/com/microsoft/sqlserver/jdbc/DDC.java	43.14% <0%> (-1.8%)	104% <0%> (ø)
...n/java/com/microsoft/sqlserver/jdbc/Parameter.java	62.23% <0%> (-0.43%)	63% <0%> (-1%)
...m/microsoft/sqlserver/jdbc/SQLServerResultSet.java	32.94% <0%> (-0.29%)	242% <0%> (-2%)
...rc/main/java/com/microsoft/sqlserver/jdbc/dtv.java	62.99% <0%> (-0.25%)	0% <0%> (ø)
...ncurrentlinkedhashmap/ConcurrentLinkedHashMap.java	42.2% <0%> (-0.22%)	46% <0%> (ø)
...om/microsoft/sqlserver/jdbc/SQLServerBulkCopy.java	52.77% <0%> (+0.12%)	241% <0%> (+2%)	⬆️
... and 4 more

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