Remove prepare script and checkMerkleRoot method on Block

package.json

@@ -28,7 +28,6 @@
     "nobuild:coverage": "nyc --check-coverage --branches 90 --functions 90 --lines 90 mocha",
     "nobuild:integration": "mocha --timeout 50000 test/integration/",
     "nobuild:unit": "mocha",
-    "prepare": "npm run build",
     "prettier": "prettier 'ts_src/**/*.ts' --ignore-path ./.prettierignore",
     "test": "npm run build && npm run format:ci && npm run lint && npm run nobuild:coverage",
     "unit": "npm run build && npm run nobuild:unit"

src/block.js

@@ -199,11 +199,6 @@ class Block {
         return (this.__checkMerkleRoot() &&
             (hasWitnessCommit ? this.__checkWitnessCommit() : true));
     }
-    checkMerkleRoot() {
-        console.warn('Deprecation Warning: Block method checkMerkleRoot will be ' +
-            'deprecated in v5. Please use checkTxRoots instead.');
-        return this.checkTxRoots();
-    }
     checkProofOfWork() {
         const hash = bufferutils_1.reverseBuffer(this.getHash());
         const target = Block.calculateTarget(this.bits);

ts_src/block.ts

@@ -269,14 +269,6 @@ export class Block {
     );
   }
 
-  checkMerkleRoot(): boolean {
-    console.warn(
-      'Deprecation Warning: Block method checkMerkleRoot will be ' +
-        'deprecated in v5. Please use checkTxRoots instead.',
-    );
-    return this.checkTxRoots();
-  }
-
   checkProofOfWork(): boolean {
     const hash: Buffer = reverseBuffer(this.getHash());
     const target = Block.calculateTarget(this.bits);

types/block.d.ts

@@ -24,7 +24,6 @@ export declare class Block {
     toBuffer(headersOnly: boolean): Buffer;
     toHex(headersOnly: boolean): string;
     checkTxRoots(): boolean;
-    checkMerkleRoot(): boolean;
     checkProofOfWork(): boolean;
     private __checkMerkleRoot;
     private __checkWitnessCommit;