Kernel: Remove unused PCI::Access::access_type()

Kernel/Bus/PCI/Access.h

@@ -62,7 +62,6 @@ public:
     virtual uint32_t segment_count() const = 0;
     virtual uint8_t segment_start_bus(u32 segment) const = 0;
     virtual uint8_t segment_end_bus(u32 segment) const = 0;
-    virtual const char* access_type() const = 0;
 
     virtual void write8_field(Address address, u32 field, u8 value) = 0;
     virtual void write16_field(Address address, u32 field, u16 value) = 0;

Kernel/Bus/PCI/IOAccess.h

@@ -20,7 +20,6 @@ protected:
 
 private:
     virtual void enumerate_hardware(Function<void(Address, ID)>) override;
-    virtual const char* access_type() const override { return "IOAccess"; };
     virtual uint32_t segment_count() const override { return 1; };
     virtual void write8_field(Address address, u32, u8) override final;
     virtual void write16_field(Address address, u32, u16) override final;

Kernel/Bus/PCI/MMIOAccess.h

@@ -51,7 +51,6 @@ private:
 protected:
     explicit MMIOAccess(PhysicalAddress mcfg);
 
-    virtual const char* access_type() const override { return "MMIOAccess"; };
     virtual u32 segment_count() const override;
     virtual void enumerate_hardware(Function<void(Address, ID)>) override;
     virtual void write8_field(Address address, u32, u8) override;

Kernel/Bus/PCI/WindowedMMIOAccess.h

@@ -39,7 +39,6 @@ public:
 
 private:
     explicit WindowedMMIOAccess(PhysicalAddress mcfg);
-    virtual const char* access_type() const override { return "WindowedMMIOAccess"; };
     virtual void write8_field(Address address, u32, u8) override;
     virtual void write16_field(Address address, u32, u16) override;
     virtual void write32_field(Address address, u32, u32) override;