Fix some inconsistencies in EFIAPI usage.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8076 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/BootMaint.h

@@ -1191,19 +1191,6 @@ EfiLibFileInfo (
   IN EFI_FILE_HANDLE      FHand
   );
 
-/**
-  This function converts an input device structure to a Unicode string.
-
-  @param DevPath                  A pointer to the device path structure.
-
-  @return A new allocated Unicode string that represents the device path.
-
-**/
-CHAR16 *
-DevicePathToStr (
-  EFI_DEVICE_PATH_PROTOCOL     *DevPath
-  );
-
 /**
   Find the first instance of this Protocol in the system and return it's interface.
 
@@ -1238,26 +1225,6 @@ EfiReallocatePool (
   IN UINTN                NewSize
   );
 
-/**
-  Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
-  buffer, and the size of the buffer. If failure return NULL.
-
-  @param  Name                  String part of EFI variable name
-  @param  VendorGuid            GUID part of EFI variable name
-  @param  VarSize               Returns the size of the EFI variable that was read
-
-  @return Dynamically allocated memory that contains a copy of the EFI variable.
-  @return Caller is responsible freeing the buffer.
-  @retval NULL                  Variable was not read
-
-**/
-VOID *
-BdsLibGetVariableAndSize (
-  IN CHAR16               *Name,
-  IN EFI_GUID             *VendorGuid,
-  OUT UINTN               *VarSize
-  );
-
 /**
   Function deletes the variable specified by VarName and VarGuid.