chore: fix some comments

src/main/java/org/mitre/synthea/engine/Module.java

@@ -93,7 +93,7 @@ private static Map<String, ModuleSupplier> loadModules() {
   }
 
   /**
-   * The the path to the modules directory, ensuring the right file system support is loaded if
+   * The path to the modules directory, ensuring the right file system support is loaded if
    * we are running from a jar file.
    * @return the path
    * @throws URISyntaxException if something goes wrong

src/main/java/org/mitre/synthea/export/ExportHelper.java

@@ -236,7 +236,7 @@ public static String getSystemURI(String system) {
   }
 
   /**
-   * Translate the the official FHIR system URI (e.g. http://snomed.info/sct)
+   * Translate the official FHIR system URI (e.g. http://snomed.info/sct)
    * into system name (e.g. SNOMED-CT).
    * @param uri http://snomed.info/sct, http://loinc.org, etc.
    * @return The internal short name used by Synthea, or "Unknown"

src/main/java/org/mitre/synthea/export/rif/BeneficiaryExporter.java

@@ -498,7 +498,7 @@ String getDualEligibilityCode(Person person, boolean medicareAge,
   }
 
   /**
-   * The the current beneficiary ID code (CRNT_BIC).
+   * The current beneficiary ID code (CRNT_BIC).
    * @param person The person.
    * @param ageThisYear The person's current age (at the end of the year).
    * @param disabled If the person is disabled according to SSD.

src/test/java/org/mitre/synthea/world/agents/PayerTest.java

@@ -708,7 +708,7 @@ public void costsUncoveredByNoInsurance() {
     // The No Insurance's uncovered costs should equal the total cost.
     assertTrue(fakeEncounter.getCost()
         .equals(PayerManager.getNoInsurancePlan().getPayer().getAmountUncovered()));
-    // The person's out of pocket expenses shoudl equal the total cost.
+    // The person's out of pocket expenses should equal the total cost.
     assertTrue(fakeEncounter.getCost().equals(person.coverage.getTotalOutOfPocketExpenses()));
   }