Remove unused imports

Author: jketema

cpp/autosar/src/rules/A13-2-2/BinaryOperatorAndBitwiseOperatorReturnAPrvalue.ql

@@ -17,7 +17,6 @@
 import cpp
 import codingstandards.cpp.autosar
 import codingstandards.cpp.Operator
-import semmle.code.cpp.Print
 
 from Operator o
 where

cpp/misra/src/rules/RULE-8-7-1/PointerArithmeticFormsAnInvalidPointer.ql

@@ -18,7 +18,6 @@ import cpp
 import codingstandards.cpp.misra
 import semmle.code.cpp.ir.IR
 import semmle.code.cpp.dataflow.new.DataFlow
-import semmle.code.cpp.ir.dataflow.internal.DataFlowUtil
 import semmle.code.cpp.security.BufferAccess
 
 /**