revert: "test: update snapshots"

This reverts commit 713ac5b.

Author: nperez0111

tests/src/end-to-end/colors/colors.test.ts-snapshots/textColorMark-webkit-linux.png

@@ -13,10 +13,9 @@
           },
           "content": [
             {
-              "type": "heading",
+              "type": "paragraph",
               "attrs": {
-                "textAlignment": "left",
-                "level": 1
+                "textAlignment": "left"
               },
               "content": [
                 {

tests/src/end-to-end/keyboardhandlers/keyboardhandlers.test.ts-snapshots/backspaceStartOfBlock-json-webkit-linux.json

@@ -21,7 +21,7 @@
               "content": [
                 {
                   "type": "text",
-                  "text": "Hea"
+                  "text": "H"
                 }
               ]
             }
@@ -43,7 +43,7 @@
               "content": [
                 {
                   "type": "text",
-                  "text": "ding"
+                  "text": "eading"
                 }
               ]
             },

tests/src/end-to-end/keyboardhandlers/keyboardhandlers.test.ts-snapshots/enterPreservesNestedBlocks-json-webkit-linux.json

@@ -43,30 +43,7 @@
               "content": [
                 {
                   "type": "text",
-                  "text": "eading"
-                }
-              ]
-            }
-          ]
-        },
-        {
-          "type": "blockContainer",
-          "attrs": {
-            "id": "1",
-            "textColor": "default",
-            "backgroundColor": "default"
-          },
-          "content": [
-            {
-              "type": "heading",
-              "attrs": {
-                "textAlignment": "left",
-                "level": 2
-              },
-              "content": [
-                {
-                  "type": "text",
-                  "text": "Heading"
+                  "text": "g"
                 }
               ]
             }