Revert "ggml-alloc : add 10% margin to the buffer sizes (ggerganov#5149…

…)"

This reverts commit 15b4538.

ggml-alloc.c

@@ -335,9 +335,7 @@ bool ggml_tallocr_is_measure(ggml_tallocr_t alloc) {
 }
 
 size_t ggml_tallocr_max_size(ggml_tallocr_t alloc) {
-    // FIXME: changes in the tensor sizes compared to the measure graph may cause allocations to fail
-    // to avoid this, we add a 10% margin to the buffer size
-    return alloc->max_size + alloc->max_size/10;
+    return alloc->max_size;
 }
 
 // graph allocator