v4l-utils: fix clang compilation error

remove unused include.

In file included from v4l2-test-time32-64.cpp:20:
In file included from ./v4l2-compliance.h:24:
In file included from /usr/bin/../include/c++/v1/map:531:
/usr/bin/../include/c++/v1/__config:1292:50: error: builtin feature check macro requires a parenthesized identifier
\#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
                                                 ^
../../include/compiler.h:8:21: note: expanded from macro 'fallthrough'
\#define fallthrough [[clang::fallthrough]]
                    ^
In file included from v4l2-test-time32-64.cpp:20:
In file included from ./v4l2-compliance.h:24:
In file included from /usr/bin/../include/c++/v1/map:531:
/usr/bin/../include/c++/v1/__config:1292:50: error: missing ')' after '['
\#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
                                                 ^~~~~~~~~~~
../../include/compiler.h:8:22: note: expanded from macro 'fallthrough'
\#define fallthrough [[clang::fallthrough]]
                    ~^
/usr/bin/../include/c++/v1/__config:1292:49: note: to match this '('
\#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
                                                ^
/usr/bin/../include/c++/v1/__config:1294:34: error: builtin feature check macro requires a parenthesized identifier
\#elif __has_cpp_attribute(clang::fallthrough)
                                 ^
../../include/compiler.h:8:21: note: expanded from macro 'fallthrough'
\#define fallthrough [[clang::fallthrough]]
                    ^
In file included from v4l2-test-time32-64.cpp:20:
In file included from ./v4l2-compliance.h:24:
In file included from /usr/bin/../include/c++/v1/map:531:
/usr/bin/../include/c++/v1/__config:1294:34: error: missing ')' after '['
\#elif __has_cpp_attribute(clang::fallthrough)
                                 ^~~~~~~~~~~
../../include/compiler.h:8:22: note: expanded from macro 'fallthrough'
\#define fallthrough [[clang::fallthrough]]
                    ~^
/usr/bin/../include/c++/v1/__config:1294:26: note: to match this '('
\#elif __has_cpp_attribute(clang::fallthrough)
                         ^
4 errors generated.
---
 utils/v4l2-compliance/v4l2-test-time32-64.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/utils/v4l2-compliance/v4l2-test-time32-64.cpp b/utils/v4l2-compliance/v4l2-test-time32-64.cpp
index 1c515ca..7b66693 100644
--- a/utils/v4l2-compliance/v4l2-test-time32-64.cpp
+++ b/utils/v4l2-compliance/v4l2-test-time32-64.cpp
@@ -16,7 +16,6 @@
 
 #include <sys/types.h>
 
-#include "compiler.h"
 #include "v4l2-compliance.h"
 
 typedef __s32		old_time32_t;
-- 
2.36.0.rc0.470.gd361397f0d-goog