improve terms of crossing and traffic calming presets/fields (#508)

Squashed commit of the following:

commit d49ade3574
Author: Minh Nguyễn <mxn@1ec5.org>
Date:   Wed Jun 22 01:58:14 2022 -0700

    Added table terms to Raised field

commit b29faf0575
Author: Minh Nguyễn <mxn@1ec5.org>
Date:   Wed Jun 22 01:48:00 2022 -0700

    Renamed crossing=traffic_signals presets to correct name

commit fe3caadc8e
Author: Minh Nguyễn <mxn@1ec5.org>
Date:   Wed Jun 22 01:37:45 2022 -0700

    Removed table-related terms from crossing presets

    These terms only made sense for the raised crossing presets, which got merged with the unraised crossing presets.

data/fields/crossing_raised.json

@@ -13,5 +13,11 @@
             "undefined": "No",
             "table": "Yes"
         }
-    }
+    },
+    "terms": [
+        "flat top",
+        "hump",
+        "speed",
+        "slow"
+    ]
 }

data/presets/highway/crossing/marked.json

@@ -23,11 +23,7 @@
     "terms": [
         "zebra crossing",
         "marked crossing",
-        "crosswalk",
-        "flat top",
-        "hump",
-        "speed",
-        "slow"
+        "crosswalk"
     ],
     "name": "Marked Crosswalk"
 }

data/presets/highway/crossing/unmarked.json

@@ -23,11 +23,7 @@
     "terms": [
         "unmarked foot path crossing",
         "unmarked crosswalk",
-        "unmarked pedestrian crossing",
-        "flat top",
-        "hump",
-        "speed",
-        "slow"
+        "unmarked pedestrian crossing"
     ],
     "name": "Unmarked Crossing"
 }

data/presets/highway/footway/marked.json

@@ -28,11 +28,7 @@
         "marked crossing",
         "marked pedestrian crosswalk",
         "zebra crossing",
-        "crosswalk",
-        "flat top",
-        "hump",
-        "speed",
-        "slow"
+        "crosswalk"
     ],
     "name": "Marked Crosswalk"
 }

data/presets/highway/footway/traffic_signals.json

@@ -34,10 +34,6 @@
         "pedestrian traffic signals",
         "pedestrian crossing (lights)",
         "bicycle crossing (lights)",
-        "crosswalk (lights)",
-        "flat top",
-        "hump",
-        "speed",
-        "slow"
+        "crosswalk (lights)"
     ]
 }

data/presets/highway/footway/unmarked.json

@@ -26,11 +26,7 @@
     "terms": [
         "unmarked foot path crossing",
         "unmarked crosswalk",
-        "unmarked pedestrian crossing",
-        "flat top",
-        "hump",
-        "speed",
-        "slow"
+        "unmarked pedestrian crossing"
     ],
     "name": "Unmarked Crossing"
 }