Update Spacings (#6745)

Updated spacings to use core/editor default presets and removed TT3 based spacing presets.

blank-canvas-3/theme.json

@@ -36,42 +36,9 @@
 			"contentSize": "700px",
 			"wideSize": "1160px"
 		},
+		"useRootPaddingAwareAlignments": true,
 		"spacing": {
-			"spacingScale": {
-				"steps": 0
-			},
-			"spacingSizes": [
-				{
-					"size": "clamp(1.5rem, 5vw, 2rem)",
-					"slug": "30",
-					"name": "1"
-				},
-				{
-					"size": "clamp(1.8rem, 1.8rem + ((1vw - 0.48rem) * 2.885), 3rem)",
-					"slug": "40",
-					"name": "2"
-				},
-				{
-					"size": "clamp(2.5rem, 8vw, 4.5rem)",
-					"slug": "50",
-					"name": "3"
-				},
-				{
-					"size": "clamp(3.75rem, 10vw, 7rem)",
-					"slug": "60",
-					"name": "4"
-				},
-				{
-					"size": "clamp(5rem, 5.25rem + ((1vw - 0.48rem) * 9.096), 8rem)",
-					"slug": "70",
-					"name": "5"
-				},
-				{
-					"size": "clamp(7rem, 14vw, 11rem)",
-					"slug": "80",
-					"name": "6"
-				}
-			],
+			"blockGap": true,
 			"units": [
 				"%",
 				"px",
@@ -122,8 +89,7 @@
 					"name": "XX-large"
 				}
 			]
-		},
-		"useRootPaddingAwareAlignments": true
+		}
 	},
 	"styles": {
 		"blocks": {
@@ -311,8 +277,8 @@
 			"blockGap": "1.5rem",
 			"padding": {
 				"bottom": "var(--wp--preset--spacing--40)",
-				"left": "var(--wp--preset--spacing--30)",
-				"right": "var(--wp--preset--spacing--30)",
+				"left": "var(--wp--preset--spacing--40)",
+				"right": "var(--wp--preset--spacing--40)",
 				"top": "var(--wp--preset--spacing--40)"
 			}
 		},