chore(codepipeline): remove the aws-codepipeline-api package.

Fixes #2157

packages/@aws-cdk/aws-codepipeline-api/package.json

@@ -1,70 +0,0 @@
-{
-  "name": "@aws-cdk/aws-codepipeline-api",
-  "version": "0.28.0",
-  "description": "Actions API for AWS Code Pipeline",
-  "main": "lib/index.js",
-  "types": "lib/index.d.ts",
-  "jsii": {
-    "outdir": "dist",
-    "targets": {
-      "java": {
-        "package": "software.amazon.awscdk.services.codepipeline.api",
-        "maven": {
-          "groupId": "software.amazon.awscdk",
-          "artifactId": "codepipeline-api"
-        }
-      },
-      "dotnet": {
-        "namespace": "Amazon.CDK.AWS.Codepipeline.Api",
-        "packageId": "Amazon.CDK.AWS.Codepipeline.Api",
-        "signAssembly": true,
-        "assemblyOriginatorKeyFile": "../../key.snk"
-      },
-      "sphinx": {},
-      "python": {
-        "distName": "aws-cdk.aws-codepipeline-api",
-        "module": "aws_cdk.aws_codepipeline_api"
-      }
-    }
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/awslabs/aws-cdk.git",
-    "directory": "packages/@aws-cdk/aws-codepipeline-api"
-  },
-  "scripts": {
-    "build": "cdk-build",
-    "watch": "cdk-watch",
-    "lint": "cdk-lint",
-    "test": "cdk-test",
-    "integ": "cdk-integ",
-    "pkglint": "pkglint -f",
-    "package": "cdk-package",
-    "awslint": "cdk-awslint"
-  },
-  "keywords": [
-    "aws",
-    "aws-clib",
-    "aws-cloudlib",
-    "cdk",
-    "cloudlib",
-    "codepipeline",
-    "pipeline"
-  ],
-  "author": {
-    "name": "Amazon Web Services",
-    "url": "https://aws.amazon.com",
-    "organization": true
-  },
-  "license": "Apache-2.0",
-  "devDependencies": {
-    "@aws-cdk/assert": "^0.28.0",
-    "cdk-build-tools": "^0.28.0",
-    "cdk-integ-tools": "^0.28.0",
-    "pkglint": "^0.28.0"
-  },
-  "homepage": "https://github.com/awslabs/aws-cdk",
-  "engines": {
-    "node": ">= 8.10.0"
-  }
-}