build: remove PVS

We already have an extensive suite of static analysis tools we use,
which causes a fair bit of redundancy as we get duplicate warnings. PVS
is also prone to give false warnings which creates a lot of work to
identify and disable.

src/klib/kvec.h

@@ -170,8 +170,6 @@ static inline void *_memcpy_free(void *const restrict dest, void *const restrict
   return dest;
 }
 
-// -V:kvi_push:512
-
 /// Resize vector with preallocated array
 ///
 /// @note May not resize to an array smaller then init_array: if requested,