ci: remove renovate.json because the config is incorrect (#34103)

.... and the bot is starting to spam us with lots of PRs.

PR Close #34103

renovate.json

@@ -1,46 +0,0 @@
-{
-	"pinVersions": false,
-	"semanticCommits": true,
-	"semanticPrefix": "build",
-	"commitMessage": "{{semanticPrefix}} update {{depName}} to version {{newVersion}}",
-	"separateMajorMinor": false,
-	"labels": [
-		"PR target: master-only",
-		"comp: build & ci"
-	],
-	"baseBranches": [
-		"master"
-	],
-	"ignoreDeps": [
-		"source-map",
-		"@types/node"
-	],
-	"packageFiles": [],
-	"major": {
-		"devDependencies": {
-			"enabled": false
-		}
-	},
-	"packageRules": [
-		{
-			"packagePatterns": [
-				"^@angular.*"
-			],
-			"groupName": "angular",
-			"pinVersions": false
-		},
-		{
-			"packagePatterns": [
-				"^@bazel\/.*"
-			],
-			"groupName": "bazel",
-			"pinVersions": false
-		},
-		{
-			"packageNames": [
-				"typescript"
-			],
-			"updateTypes": "patch"
-		}
-	]
-}