Remove inline keyword

The compiler is smarter at figuring out whether a function should be
inlined or not.

backend/drm/util.c

@@ -221,7 +221,7 @@ uint32_t get_fb_for_bo(struct gbm_bo *bo, bool with_modifiers) {
 	return id;
 }
 
-static inline bool is_taken(size_t n, const uint32_t arr[static n], uint32_t key) {
+static bool is_taken(size_t n, const uint32_t arr[static n], uint32_t key) {
 	for (size_t i = 0; i < n; ++i) {
 		if (arr[i] == key) {
 			return true;

xwayland/xwm.c

@@ -1165,7 +1165,7 @@ static bool update_state(int action, bool *state) {
 	return changed;
 }
 
-static inline bool xsurface_is_maximized(
+static bool xsurface_is_maximized(
 		struct wlr_xwayland_surface *xsurface) {
 	return xsurface->maximized_horz && xsurface->maximized_vert;
 }