some modifications to DI processing

UNFCCC_GHG_data/UNFCCC_DI_reader/UNFCCC_DI_reader_config.py

@@ -1240,7 +1240,7 @@ di_processing_templates = {
             'remove_ts': {
                 '2C': { # inconsistent with other sources
                     'category': ['2.C', '2', '15163', '24540'],
-                    'entities': ['CH4', 'N2O', f'KYOTOGHG ({gwp_to_use})',
+                    'entities': ['CH4', 'N2O', f'KYOTOGHG ({gwp_to_use})', 'CO2',
                                  'C2F6', 'CF4', f'PFCS ({gwp_to_use})', 'SF6' ],
                     'time': ['1994'],
                 },

downloaded_data/UNFCCC/Liechtenstein/CRF2023/LIE_2023_2022_12042023_174927.xlsx

@@ -1 +0,0 @@
-../../../../.git/annex/objects/xm/Zf/MD5E-s875287--f51e92880925b0495f2f35dc75579882.xlsx/MD5E-s875287--f51e92880925b0495f2f35dc75579882.xlsx

downloaded_data/UNFCCC/Liechtenstein/CRF2023/ignore/LIE_2023_2022_12042023_174927.xlsx

@@ -0,0 +1 @@
+../../../../../.git/annex/objects/xm/Zf/MD5E-s875287--f51e92880925b0495f2f35dc75579882.xlsx/MD5E-s875287--f51e92880925b0495f2f35dc75579882.xlsx