apps/piano: tweak copyright header

Co-authored-by: Doczom <mixa.frolov2003@gmail.com>
Co-authored-by: qullarwee

.asm-lsp.toml

@@ -0,0 +1,3 @@
+[default_config]
+assembler = "fasm"
+instruction_set = "x86"

programs/media/piano/keymap.asm

@@ -2,9 +2,6 @@
 ;
 ; Piano - Default Keymap (256 bytes)
 ; Copyright (C) 2025 KolibriOS team
-;
-; Contributor Burer     - Main code
-; Contributor Doczom    - Idea
 
 ; ====================================================================
 

programs/media/piano/piano.asm

@@ -3,11 +3,7 @@
 ; Piano - Toy Piano
 ; Copyright (C) 2019-2025 KolibriOS team
 ;
-; Contributor ???       - Initial code
+; Authors: Antonio and Leency
-; Contributor Antonio   - Refactoring and new functionality
-; Contributor Burer     - Refactoring and Spanish translation
-; Contributor Doczom    - Refactoring and bugfixes
-; Contributor qullarwee - New keyboard layout
 
 ; ====================================================================