remove token.finishMinting() from default finalization

contracts/crowdsale/FinalizableCrowdsale.sol

@@ -16,8 +16,10 @@ contract FinalizableCrowdsale is Crowdsale, Ownable {
 
   event Finalized();
 
-  // should be called after crowdsale ends, to do
+  /**
-  // some extra finalization work
+   * @dev Must be called after crowdsale ends, to do some extra finalization
+   * work. Calls the contract's finalization function.
+   */
   function finalize() onlyOwner {
     require(!isFinalized);
     require(hasEnded());
@@ -28,12 +30,11 @@ contract FinalizableCrowdsale is Crowdsale, Ownable {
     isFinalized = true;
   }
 
-  // end token minting on finalization
+  /**
-  // override this with custom logic if needed
+   * @dev Can be overriden to add finalization logic. The overriding function
+   * should call super.finalization() to ensure the chain of finalization is
+   * executed entirely.
+   */
   function finalization() internal {
-    token.finishMinting();
   }
-
-
-
 }

test/FinalizableCrowdsale.js

@@ -60,11 +60,4 @@ contract('FinalizableCrowdsale', function ([_, owner, wallet, thirdparty]) {
     should.exist(event)
   })
 
-  it('finishes minting of token', async function () {
-    await increaseTimeTo(this.afterEndTime)
-    await this.crowdsale.finalize({from: owner})
-    const finished = await this.token.mintingFinished()
-    finished.should.equal(true)
-  })
-
 })