[memprof] Remove getFullSchema in MemProfTest.cpp (#90072)

This patch removes getFullSchema in MemProfTest.cpp in favor of
llvm::memprof::PortableMemInfoBlock::getFullSchema as they do exactly
the same thing.

llvm/unittests/ProfileData/MemProfTest.cpp

@@ -122,14 +122,6 @@ MATCHER_P4(FrameContains, FunctionName, LineOffset, Column, Inline, "") {
   return false;
 }
 
-MemProfSchema getFullSchema() {
-  MemProfSchema Schema;
-#define MIBEntryDef(NameTag, Name, Type) Schema.push_back(Meta::Name);
-#include "llvm/ProfileData/MIBEntryDef.inc"
-#undef MIBEntryDef
-  return Schema;
-}
-
 TEST(MemProf, FillsValue) {
   std::unique_ptr<MockSymbolizer> Symbolizer(new MockSymbolizer());
 
@@ -248,7 +240,7 @@ TEST(MemProf, PortableWrapper) {
                     /*dealloc_timestamp=*/2000, /*alloc_cpu=*/3,
                     /*dealloc_cpu=*/4);
 
-  const auto Schema = getFullSchema();
+  const auto Schema = llvm::memprof::PortableMemInfoBlock::getFullSchema();
   PortableMemInfoBlock WriteBlock(Info);
 
   std::string Buffer;
@@ -271,7 +263,7 @@ TEST(MemProf, PortableWrapper) {
 // Version0 and Version1 serialize IndexedMemProfRecord in the same format, so
 // we share one test.
 TEST(MemProf, RecordSerializationRoundTripVersion0And1) {
-  const MemProfSchema Schema = getFullSchema();
+  const auto Schema = llvm::memprof::PortableMemInfoBlock::getFullSchema();
 
   MemInfoBlock Info(/*size=*/16, /*access_count=*/7, /*alloc_timestamp=*/1000,
                     /*dealloc_timestamp=*/2000, /*alloc_cpu=*/3,
@@ -305,7 +297,7 @@ TEST(MemProf, RecordSerializationRoundTripVersion0And1) {
 }
 
 TEST(MemProf, RecordSerializationRoundTripVerion2) {
-  const MemProfSchema Schema = getFullSchema();
+  const auto Schema = llvm::memprof::PortableMemInfoBlock::getFullSchema();
 
   MemInfoBlock Info(/*size=*/16, /*access_count=*/7, /*alloc_timestamp=*/1000,
                     /*dealloc_timestamp=*/2000, /*alloc_cpu=*/3,