fix codeCheck issue

Signed-off-by: bayanxing <bayanxing@kaihongdigi.com>

tools/idl-gen/_header_parser.py

@@ -61,10 +61,8 @@ class HeaderParser:
                 self._extract_interface(hjson["classes"][i])
             self._extract_typedef(hjson["typedefs"])
             return self._header_dict
-        except KeyError as e:
-            print(e)
-        except Exception as e:
-            print(e)
+        except KeyError:
+            pass
 
     @staticmethod
     def _pre_handle(header_file):

tools/idl-gen/idl_generator.py

@@ -59,10 +59,8 @@ class IDLGenerator:
             for i in self._parse_results:
                 self._generate_type(self._parse_results[i])
                 self._generate_interface(self._parse_results[i])
-        except KeyError as e:
-            print(e)
-        except Exception as e:
-            print(e)
+        except KeyError:
+            pass
 
     def _parse_option(self):
         parser = argparse.ArgumentParser(description="Compile C/C++ header files and generate .idl files.")