Fix incorrect Power destruction

(1) As the following call chain indicating, mModule is indeed not pointing to heap memory object, trying to delete it is illegal.
      HIDL_FETCH_IPower -> hw_get_module -> hw_get_module_by_class -> load(hardware/libhardware/hardware.c)

(2) Fix by removing 'delete'

Test: monkey test

Signed-off-by: Jintao Zhu <zhujtcsieee@gmail.com>
Signed-off-by: Steven Moreland <smoreland@google.com>
Change-Id: If95bd8823354cd862d105b96101f910dc1ca95a6
diff --git a/power/1.0/default/Power.cpp b/power/1.0/default/Power.cpp
index 51f87f5..b91a6e8 100644
--- a/power/1.0/default/Power.cpp
+++ b/power/1.0/default/Power.cpp
@@ -35,7 +35,6 @@
 }
 
 Power::~Power() {
-    delete(mModule);
 }
 
 // Methods from ::android::hardware::power::V1_0::IPower follow.