Changed package notation in class diagram from square to default notation.

Author: smeghead

README.md

@@ -123,7 +123,7 @@ To execute `php-class-diagram` will print PlantUML script.
 ```bash
 $ vendor/bin/php-class-diagram test/fixtures/no-namespace
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     class product.Price {
       -price : int
     }

dogfood-model.png

@@ -65,7 +65,7 @@ public function dump($level = 0): array {
         $lines = [];
         if ($this->name !== 'ROOT') {
             $lines[] = sprintf(
-                '%spackage %s as %s <<Rectangle>> {',
+                '%spackage %s as %s {',
                 $indent,
                 $this->name,
                 $this->getLogicalName()

dogfood.png

@@ -308,7 +308,7 @@ public function testDump(): void {
 
         $expected =<<<EOS
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     class product.Product
     class product.Price
     class product.Name
@@ -333,10 +333,10 @@ public function testDump2(): void {
         $rel = new Relation($entries, $options);
         $expected =<<<EOS
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     class product.Product
     class product.Price
-    package utility as product.utility <<Rectangle>> {
+    package utility as product.utility {
       class product.Name
     }
   }
@@ -359,7 +359,7 @@ public function testDump3(): void {
         $rel = new Relation($entries, $options);
         $expected =<<<EOS
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     interface product.Interface_
   }
 @enduml
@@ -378,7 +378,7 @@ public function testDump4(): void {
         $rel = new Relation($entries, $options);
         $expected =<<<EOS
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     interface product.Interface_ {
       -name : string
     }
@@ -398,7 +398,7 @@ public function testDump5(): void {
         $rel = new Relation($entries, $options);
         $expected =<<<EOS
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     interface product.Interface_ {
       -method1(param1)
     }
@@ -419,7 +419,7 @@ public function testDump6(): void {
         $rel = new Relation($entries, $options);
         $expected =<<<EOS
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     interface product.Interface_ {
       -method1(param1)
     }
@@ -446,7 +446,7 @@ public function testDump7(): void {
 
         $expected =<<<EOS
 @startuml class-diagram
-  package product as product <<Rectangle>> {
+  package product as product {
     class product.Product
     class product.Price
     class product.Name