fix: remove inline warning from 'update_unnormalized_coord_with_padding' function with gcc_9-4-0

include/aidge/backend/cpu/operator/GridSampleImpl_kernels.hpp

@@ -65,7 +65,7 @@ static float update_normalized_coord_with_padding(float coord, Aidge::GridSample
     return coord;
 }
 
-static inline std::int64_t update_unnormalized_coord_with_padding(std::int64_t coord, std::int64_t size, Aidge::GridSample_Op::PaddingMode padding_mode) {
+static std::int64_t update_unnormalized_coord_with_padding(std::int64_t coord, std::int64_t size, Aidge::GridSample_Op::PaddingMode padding_mode) {
     if (!in_bound(coord, 0, size)) {
         // out of bound. switch padding mode
         if (padding_mode == Aidge::GridSample_Op::PaddingMode::Border) {