feat: re-implement language pack updater

.gitignore

@@ -10,8 +10,7 @@
 *.md.html
 
 # Maven
-/target
-/*/target
+target/
 
 # OSX
 .DS_Store

org.eclipse.tm4e.core/src/main/java/org/eclipse/tm4e/core/internal/registry/SyncRegistry.java

@@ -68,14 +68,7 @@ public void addGrammar(final IRawGrammar grammar, @Nullable final Collection<Str
 	@Override
 	@Nullable
 	public IRawGrammar lookup(final String scopeName) {
-		var grammar = this._rawGrammars.get(scopeName);
-
-		// check if tm4e language pack is installed, e.g. "source.python" -> "lngpck.source.python"
-		if (grammar == null && !scopeName.startsWith("lngpck.")) {
-			grammar = this._rawGrammars.get("lngpck." + scopeName);
-		}
-
-		return grammar;
+		return this._rawGrammars.get(scopeName);
 	}
 
 	@Override