fix: remove emacs-30 branch checkout — použij master (latest)

scripts/install_emacs_macos.sh

@@ -36,12 +36,9 @@ echo -e "${GREEN}[2/7] Emacs zdroj...${NC}"
 if [[ ! -d ~/src/emacs/.git ]]; then
     git clone --depth 50 https://github.com/emacs-mirror/emacs.git ~/src/emacs
     cd ~/src/emacs
-    git checkout emacs-30
 else
     cd ~/src/emacs
-    git fetch origin
-    git checkout emacs-30
-    git pull --rebase origin emacs-30
+    git pull --rebase
 fi
 
 # --- [3/7] Zoom accessibility patch ---