[GH-408] Fix typo in remove method template in entity generator

This issue is created automatically through a Github pull request on behalf of benlumley:

Url: https://github.com/doctrine/doctrine2/pull/408

Message:

Single character change - fixes generated docblocks for removeXXX methods.

Before:

/**

• Remove measurements
  *
• @param <variableType$measurements
  */
  public function removeMeasurement(\My\Bundle\Entity\CalibrationMeasurement $measurements) { $this->measurements->removeElement($measurements); }
  
  After:
  
  /**
  * Remove measurements
  *
  * @param My\Bundle\Entity\Measurement $measurements
  */
  public function removeMeasurement(\My\Bundle\Entity\Measurement $measurements)
  { $this->measurements->removeElement($measurements); }