Revert "Fix type_name_ut (#164)"

This reverts commit 1d96b56.

Author: tsayukov

util/system/type_name.cpp

@@ -46,7 +46,6 @@ TString TypeName(const std::type_info& typeInfo) {
     TString demangled = CppDemangle(typeInfo.name()); // NOLINT(arcadia-typeid-name-restriction)
 #if defined(_linux_) || defined(_darwin_)
     SubstGlobal(demangled, STD_ABI_PREFIX, STD_PREFIX);
-    SubstGlobal(demangled, " >", ">");
 #endif
     return demangled;
 }
@@ -55,7 +54,6 @@ TString TypeName(const std::type_index& typeIndex) {
     TString demangled = CppDemangle(typeIndex.name());
 #if defined(_linux_) || defined(_darwin_)
     SubstGlobal(demangled, STD_ABI_PREFIX, STD_PREFIX);
-    SubstGlobal(demangled, " >", ">");
 #endif
     return demangled;
 }