Remove GRANULARITY check

This check was not doing anything.  It was from an earlier dependency
ordering issue that has now been fixed.

src/mem/alloc.h

@@ -140,10 +140,6 @@ namespace snmalloc
     }
   };
 
-  static_assert(
-    SUPERSLAB_SIZE == SuperslabPagemap::GRANULARITY,
-    "The superslab size should be the same as the pagemap granularity");
-
 #ifndef SNMALLOC_DEFAULT_PAGEMAP
 #  define SNMALLOC_DEFAULT_PAGEMAP snmalloc::SuperslabMap
 #endif

src/mem/pagemap.h

@@ -189,8 +189,6 @@ namespace snmalloc
     }
 
   public:
-    static constexpr size_t GRANULARITY = 1 << GRANULARITY_BITS;
-
     T get(void* p)
     {
       bool success;
@@ -245,10 +243,6 @@ namespace snmalloc
     static constexpr size_t ENTRIES = 1ULL << (COVERED_BITS + CONTENT_BITS);
     static constexpr size_t SHIFT = GRANULARITY_BITS;
 
-  public:
-    static constexpr size_t GRANULARITY = 1 << GRANULARITY_BITS;
-
-  private:
     std::atomic<T> top[ENTRIES];
 
   public: