minor #2506 [TwigComponent] Remove obsolete TemplateNameParser (sneakyvv)

This PR was merged into the 2.x branch.

Discussion
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[TwigComponent] Remove obsolete TemplateNameParser

It no longer parses (and should not have been stripping namespaces as it did before)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Issues        |
| License       | MIT

As discussed in #1772 (comment), the code added in #1070 (& expanded in #1082) was not needed (even incorrect, based upon a decorator TemplateIterator of Shopware).

Commits
-------

99cb909 Remove obsolete TemplateNameParser

Author: smnandre

src/TwigComponent/src/Twig/ComponentNode.php

@@ -112,7 +112,7 @@ public function compile(Compiler $compiler): void
             ->raw('), ')
             ->raw($this->getAttribute('only') ? '[]' : '$context')
             ->raw(', ')
-            ->string(TemplateNameParser::parse($this->getAttribute('embedded_template')))
+            ->string($this->getAttribute('embedded_template'))
             ->raw(', ')
             ->raw($this->getAttribute('embedded_index'))
             ->raw(");\n");

src/TwigComponent/src/Twig/ComponentTokenParser.php

@@ -63,7 +63,7 @@ public function parse(Token $token): Node
         $this->parser->embedTemplate($module);
 
         // override the embedded index with a deterministic value, so it can be loaded in a controlled manner
-        $module->setAttribute('index', $this->generateEmbeddedTemplateIndex(TemplateNameParser::parse($stream->getSourceContext()->getName()), $token->getLine()));
+        $module->setAttribute('index', $this->generateEmbeddedTemplateIndex($stream->getSourceContext()->getName(), $token->getLine()));
 
         $stream->expect(Token::BLOCK_END_TYPE);