V.tile-ify: Remove all carto classes

Looks like carto, when used with tessera with vector tiles doesn't work
with carto classes, so I replaced everything with a reference to the
layer id.

I have no idea if the problem is with mapnik, or node-mapnik, or tessera
or tilelive or something.

amenity-points.mss

@@ -22,7 +22,8 @@
 @standard-text-size: 10;
 
 /* Note that .points is also used in water-features.mss */
-.points {
+/* used to be: .points */
+#amenity-points, #amenity-points-poly {
   [feature = 'tourism_alpine_hut'][zoom >= 13] {
     point-file: url('symbols/alpinehut.p.16.png');
     point-placement: interior;
@@ -1030,7 +1031,8 @@
   }
 }
 
-.amenity-low-priority {
+/* used to be .amentiy-low-priority */
+#amenity-low-priority, #amenity-low-priority-poly {
   [feature = 'man_made_cross'][zoom >= 16],
   [feature = 'historic_wayside_cross'][zoom >= 16] {
     marker-file: url('symbols/christian.9.svg');
@@ -1117,8 +1119,10 @@
 }
 
 /* Note that .text is also used in water.mss */
-.text-low-zoom[zoom < 10],
-.text[zoom >= 10] {
+/* Used to be .text-low-zoom */
+#text-poly[zoom >= 10],
+#text-point[zoom >= 10],
+#text-poly-low-zoom[zoom < 10] {
   [feature = 'place_island'][zoom >= 7][way_pixels > 3000][way_pixels < 800000],
   [feature = 'place_island'][zoom >= 16][way_pixels < 800000],
   [feature = 'place_islet'][zoom >= 14][way_pixels > 3000][way_pixels < 800000],

landcover.mss

@@ -647,7 +647,8 @@
   }
 }
 
-.barriers {
+/* used to be .barriers */
+#line-barriers, #area-barriers {
   [zoom >= 16] {
     line-width: 0.4;
     line-color: #444;

placenames.mss

@@ -3,7 +3,8 @@
 @country-labels: darken(@admin-boundaries, 15%);
 @state-labels: desaturate(darken(@admin-boundaries, 5%), 20%);
 
-.country {
+/* used to be .country */
+#placenames-large {
   [admin_level = '2'][zoom >= 3][way_pixels > 1000][way_pixels < 360000] {
     text-name: "[name]";
     text-size: 9;
@@ -35,7 +36,8 @@
   }
 }
 
-.state {
+/* used to be .state */
+#placenames-large {
   [admin_level = '4'] {
     [zoom >= 4][zoom < 5][way_pixels > 750],
     [zoom >= 5][way_pixels > 3000][way_pixels < 196000] {

project.yaml

@@ -508,7 +508,7 @@ Layer:
     advanced: {}
   - id: "tunnels"
     name: "tunnels"
-    class: "tunnels-fill tunnels-casing access directions"
+    class: ""
     geometry: "linestring"
     <<: *extents
     Datasource:
@@ -806,7 +806,7 @@ Layer:
     advanced: {}
   - name: "roads-casing"
     id: "roads-casing"
-    class: "roads-casing"
+    class: ""
     geometry: "linestring"
     <<: *extents
     Datasource:
@@ -967,7 +967,7 @@ Layer:
     advanced: {}
   - id: "roads-fill"
     name: "roads-fill"
-    class: "roads-fill access directions"
+    class: ""
     geometry: "linestring"
     <<: *extents
     Datasource:
@@ -1226,7 +1226,7 @@ Layer:
     advanced: {}
   - id: "bridges"
     name: "bridges"
-    class: "bridges-fill bridges-casing access directions"
+    class: ""
     geometry: "linestring"
     <<: *extents
     Datasource: