[lldb] Remove redundant declarations (NFC) (#169003)

In C++17, static constexpr members are implicitly inline, so they no
longer require an out-of-line definition.

Identified with readability-redundant-declaration.

1 files changed, 0 insertions, 2 deletions

diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp
index 6fc8053038d1..5f2e7af54044 100644
--- a/lldb/source/Target/Target.cpp
+++ b/lldb/source/Target/Target.cpp
@@ -156,8 +156,6 @@ static Status installExecutable(const Installer &installer) {
   return Status();
 }
 
-constexpr std::chrono::milliseconds EvaluateExpressionOptions::default_timeout;
-
 Target::Arch::Arch(const ArchSpec &spec)
     : m_spec(spec),
       m_plugin_up(PluginManager::CreateArchitectureInstance(spec)) {}