Bump antlr from 2.7.6 to 2.7.7 (#5143)

Co-authored-by: Ndependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: NTim Jacomb <21194782+timja@users.noreply.github.com>
Co-authored-by: NTim Jacomb <timjacomb1+github@gmail.com>

bom/pom.xml

@@ -232,7 +232,7 @@ THE SOFTWARE.
       <dependency>
         <groupId>antlr</groupId>
         <artifactId>antlr</artifactId>
-        <version>2.7.6</version>
+        <version>2.7.7</version>
       </dependency>
       <dependency>
         <groupId>org.jfree</groupId>

licenseCompleter.groovy

@@ -40,10 +40,6 @@ complete {
     }
 */
 
-    match("antlr:*") {
-        rewriteLicense([], license("BSD License","http://www.antlr.org/license.html"))
-    }
-
     match("jaxen:jaxen") {
         rewriteLicense([], license("BSD License","http://jaxen.codehaus.org/license.html"))
     }