Removed brick lib from being copied, since it is now pre-installed.

...ry/generator/extension/PWMActuatorGeneratorExtension.java

...enerator/extension/brick/BrickGeneratorExtensionBase.java

...erator/extension/camera/CameraGeneratorExtensionBase.java

...on/controlcenter/ControlcenterGeneratorExtensionBase.java

...ator/extension/gamepad/GamepadGeneratorExtensionBase.java

...extension/library/BrickLibraryGeneratorExtensionBase.java

...extension/library/PiHALLibraryGeneratorExtensionBase.java

.../extension/rumblepad/RumblepadGeneratorExtensionBase.java

...ry/generator/extension/v2v/V2VGeneratorExtensionBase.java