report text of malformed querries in Logcat

removes need to create temporary debugging statements during development
currently with code causing 400 errors one must create temporary debug entry outputting failing query, now this will be done automatically

app/src/main/java/de/westnordost/streetcomplete/data/osm/download/OverpassMapDataDao.java

@@ -61,10 +61,15 @@ public synchronized void get(final String query, MapDataWithGeometryHandler hand
 		}
 		catch(OsmApiException e)
 		{
-			if(e.getErrorCode() == 429)
+			if(e.getErrorCode() == 429) {
 				throw new OsmTooManyRequestsException(e.getErrorCode(), e.getErrorTitle(), e.getDescription());
-			else
+			}
+			if(e.getErrorCode() == 400) {
+				Log.e(TAG, "malformed query, caused Overpass to return error code 400: " + query);
+				throw e;
+			} else {
 				throw e;
+			}
 		}
 	}