[java][booking][04_tell_dont_ask] Remove all getters

Author: rgomezcasas

examples/java/java-booking-04_tell_dont_ask/src/main/java/tv/codely/booking/Customer.java

@@ -10,16 +10,4 @@ public Customer(CustomerId id, CustomerName name, EmailAddress emailAddress) {
         this.name         = name;
         this.emailAddress = emailAddress;
     }
-
-    public CustomerId id() {
-        return id;
-    }
-
-    public CustomerName name() {
-        return name;
-    }
-
-    public EmailAddress emailAddress() {
-        return emailAddress;
-    }
 }

examples/java/java-booking-04_tell_dont_ask/src/main/java/tv/codely/booking/Discount.java

@@ -8,12 +8,4 @@ public Discount(DiscountType type, DiscountValue value) {
         this.type  = type;
         this.value = value;
     }
-
-    public DiscountType type() {
-        return type;
-    }
-
-    public DiscountValue value() {
-        return value;
-    }
 }

examples/java/java-booking-04_tell_dont_ask/src/main/java/tv/codely/booking/Tax.java

@@ -8,12 +8,4 @@ public Tax(TaxType type, TaxValue value) {
         this.type  = type;
         this.value = value;
     }
-
-    public TaxType type() {
-        return type;
-    }
-
-    public TaxValue value() {
-        return value;
-    }
 }