Update Java Simulation Examples (#913)

Removes apriltagExample and simposeest, replacing them with swervedriveposeestsim

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Co-authored-by: Matt <matthew.morley.ca@gmail.com>

photonlib-java-examples/examples.gradle

@@ -0,0 +1,14 @@
+// These should be the only 2 non-project subdirectories in the examples folder
+// I could check for (it)/build.gradle to exist, but w/e
+def EXCLUDED_DIRS = ["bin", "build"]
+
+// List all non-hidden directories not in EXCUDED_DIRS
+ext.exampleFolderNames = file("${rootDir}")
+    .listFiles()
+    .findAll {
+        return (it.isDirectory()
+            && !it.isHidden()
+            && !(it.name in EXCLUDED_DIRS) && !it.name.startsWith(".")
+            && it.toPath().resolve("build.gradle").toFile().exists())
+    }
+    .collect { it.name }