Fix incorrect binding_generator_generate_bindings variable names

cmake/GodotCPPModule.cmake

@@ -86,9 +86,9 @@ missing. ]]
 function(
     binding_generator_generate_bindings
     API_FILE
-    USE_TEMPLATE_GET_NODE,
-    BITS,
-    PRECISION,
+    USE_TEMPLATE_GET_NODE
+    BITS
+    PRECISION
     OUTPUT_DIR
 )
     # This code snippet will be squashed into a single line