Remove environment variable locations from find_file in cppcheck.cmake for...

Remove environment variable locations from find_file in cppcheck.cmake for consistency of executable and cfg files.

cmake/cppcheck.cmake

@@ -21,8 +21,7 @@
 
 set(CPPCHECK_COMMAND NOTFOUND)
 find_file(CPPCHECK_COMMAND NAMES cppcheck cppcheck.exe 
-    HINTS ${CONAN_BIN_DIRS_CPPCHECK} ${CONAN_BIN_DIRS_CPPCHECK_RELEASE}
-    $ENV{PATH} $ENV{CPPCHECK_DIR})
+    PATHS ${CONAN_BIN_DIRS_CPPCHECK} ${CONAN_BIN_DIRS_CPPCHECK_RELEASE})
 
 if(NOT CPPCHECK_COMMAND)
   message(SEND_ERROR