Remove overriden setting so CI passes.

Also add some clarifying comments and use a better test name for the test that fails when a setting is overriden.

src/main/java/org/carlmontrobotics/Config.java

@@ -12,7 +12,11 @@ abstract class Config implements Sendable {
     public static final Config CONFIG = new Config() {
         {
             // Override config settings here, like this:
-            this.exampleFlagEnabled = true;
+            // this.exampleFlagEnabled = true;
+
+            // NOTE: PRs with overrides will NOT be merged because we don't want them
+            // polluting the master branch.
+            // Feel free to add them when testing, but remove them before pushing.
         }
     };
 

src/test/java/org/carlmontrobotics/ConfigTest.java

@@ -65,7 +65,7 @@ public void testToString() {
 
     @Test
     @EnabledIfEnvironmentVariable(named = "testCONFIGIsDefault", matches = "true", disabledReason = "not trying to modify GitHub master")
-    public void testCONFIGIsDefault() throws Exception {
+    public void testNoConfigSettingsOverridden() throws Exception {
         var publishedStrings = new HashMap<String, String>();
         try (SendableBuilder testBuilder = new SendableBuilderImpl() {
             @Override