renaming entrance_data files to match kataster numbers

entrance_data/1623-2023-KT-02.html

@@ -19,7 +19,6 @@ though, you do not need to do a data import as it happens automatically -->
 <br>
 <entrance>
 <non_public>False</non_public>
-<slug>1623-2023-KT-02</slug> <!-- one entrance and one slug per entrance_data file -->
 <name></name>
 <entrance_description></entrance_description>
 <explorers></explorers>

entrance_data/1623-2023-ft-01a.html

@@ -19,7 +19,6 @@ though, you do not need to do a data import as it happens automatically -->
 <br>
 <entrance>
 <non_public>False</non_public>
-<slug>1623-2023-ft-01A</slug> <!-- one entrance and one slug per entrance_data file -->
 <name></name>
 <entrance_description></entrance_description>
 <explorers></explorers>

entrance_data/1623-318.html

@@ -19,7 +19,6 @@ though, you do not need to do a data import as it happens automatically -->
 <br>
 <entrance>
 <non_public>False</non_public>
-<slug>1623-2023-lc-01</slug> <!-- one entrance and one slug per entrance_data file -->
 <name>Tempest</name>
 <entrance_description>Large entrance on the top of the hill - right near the cross.</entrance_description>
 <explorers></explorers>

entrance_data/1623-319.html

@@ -19,7 +19,6 @@ though, you do not need to do a data import as it happens automatically -->
 <br>
 <entrance>
 <non_public>False</non_public>
-<slug>1623-2023-MM-03</slug> <!-- one entrance and one slug per entrance_data file -->
 <name></name>
 <entrance_description></entrance_description>
 <explorers></explorers>

entrance_data/1626-la34.html

@@ -19,7 +19,6 @@ though, you do not need to do a data import as it happens automatically -->
 <br>
 <entrance>
 <non_public>False</non_public>
-<slug>1626-la34</slug> <!-- one entrance and one slug per entrance_data file -->
 <name></name>
 <entrance_description></entrance_description>
 <explorers></explorers>