UNdo the incompatible change to the constructor

My suggestion was applied but the suggestion was wrong.  Sorry about that.
The constructor should remain the same so we don't surprise consumers.

src/main/java/org/jenkins_ci/plugins/run_condition/core/StringsMatchCondition.java

@@ -40,21 +40,16 @@ public class StringsMatchCondition extends AlwaysPrebuildRunCondition {
 
     final String arg1;
     final String arg2;
-    boolean ignoreCase;
+    final boolean ignoreCase;
     boolean environmentVariables;
 
     @DataBoundConstructor
-    public StringsMatchCondition(final String arg1, final String arg2) {
+    public StringsMatchCondition(final String arg1, final String arg2, final boolean ignoreCase) {
         this.arg1 = arg1;
         this.arg2 = arg2;
-
-
+        this.ignoreCase = ignoreCase;
     }
-    @DataBoundSetter
-    public void setIgnoreCase(Boolean ignoreCase){
 
-        this.ignoreCase=ignoreCase;
-    }
     @DataBoundSetter
     public void setEnvironmentVariables(Boolean enviornmentVariables){