Remove dependency on geotools and bump JTS to 1.16.1

[landonreed]

Checklist

• Appropriate branch selected (all PRs must first be merged to dev before they can be merged to master)
• Any modified or new methods or classes have helpful JavaDoc and code is thoroughly commented
• The description lists all applicable issues this PR seeks to resolve
• The description lists any configuration setting(s) that differ from the default settings
• All tests and CI builds passing

Description

This supersedes #103.

[evansiroky]

The tests were failing because there was at least one spot that had incorrect ordering of lat/lon coordinates when using the x and y from the Coordinate class. I just pushed a fix to this branch that fixes that.

[codecov-commenter]

Codecov Report

Merging #290 into dev will increase coverage by 0.66%.
The diff coverage is 63.63%.

@@             Coverage Diff              @@
##                dev     #290      +/-   ##
============================================
+ Coverage     65.35%   66.02%   +0.66%     
  Complexity      880      880              
============================================
  Files           135      134       -1     
  Lines          6749     6676      -73     
  Branches        793      792       -1     
============================================
- Hits           4411     4408       -3     
+ Misses         2038     1968      -70     
  Partials        300      300              

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/com/conveyal/gtfs/CropGTFS.java	0.00% <ø> (ø)	0.00 <0.00> (ø)
src/main/java/com/conveyal/gtfs/Geometries.java	75.00% <ø> (ø)	4.00 <0.00> (ø)
src/main/java/com/conveyal/gtfs/PatternFinder.java	87.50% <ø> (+2.27%)	20.00 <0.00> (ø)
src/main/java/com/conveyal/gtfs/model/Pattern.java	80.00% <ø> (ø)	5.00 <0.00> (ø)
src/main/java/com/conveyal/gtfs/model/Shape.java	100.00% <ø> (ø)	4.00 <0.00> (ø)
src/main/java/com/conveyal/gtfs/util/Util.java	96.42% <ø> (ø)	14.00 <0.00> (ø)
...nveyal/gtfs/validator/DuplicateStopsValidator.java	58.06% <ø> (ø)	6.00 <0.00> (ø)
...onveyal/gtfs/validator/MisplacedStopValidator.java	94.44% <ø> (ø)	5.00 <0.00> (ø)
...conveyal/gtfs/validator/ReversedTripValidator.java	7.69% <0.00%> (-1.08%)	3.00 <0.00> (ø)
src/main/java/com/conveyal/gtfs/GTFSFeed.java	67.15% <100.00%> (-0.59%)	40.00 <0.00> (ø)
... and 3 more

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[evansiroky]

🎉 This PR is included in version 6.0.4 🎉

The release is available on GitHub release

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