[lldb] Remove redundant member initialization (NFC)

Identified with readability-redundant-member-init.

GitOrigin-RevId: 1d9231de70faa69625216a53cd306f20be4cfa75
diff --git a/source/Commands/CommandObjectDisassemble.cpp b/source/Commands/CommandObjectDisassemble.cpp
index a11e2b7..e65e12f 100644
--- a/source/Commands/CommandObjectDisassemble.cpp
+++ b/source/Commands/CommandObjectDisassemble.cpp
@@ -216,8 +216,7 @@
           "Disassemble specified instructions in the current target.  "
           "Defaults to the current function for the current thread and "
           "stack frame.",
-          "disassemble [<cmd-options>]", eCommandRequiresTarget),
-      m_options() {}
+          "disassemble [<cmd-options>]", eCommandRequiresTarget) {}
 
 CommandObjectDisassemble::~CommandObjectDisassemble() = default;
 
diff --git a/source/Commands/CommandObjectExpression.cpp b/source/Commands/CommandObjectExpression.cpp
index 0fb5042..0833091 100644
--- a/source/Commands/CommandObjectExpression.cpp
+++ b/source/Commands/CommandObjectExpression.cpp
@@ -187,7 +187,7 @@
       m_format_options(eFormatDefault),
       m_repl_option(LLDB_OPT_SET_1, false, "repl", 'r', "Drop into REPL", false,
                     true),
-      m_command_options(), m_expr_line_count(0) {
+      m_expr_line_count(0) {
   SetHelpLong(
       R"(
 Single and multi-line expressions:
diff --git a/source/Commands/CommandObjectMemory.cpp b/source/Commands/CommandObjectMemory.cpp
index ca0384c..5051f9a 100644
--- a/source/Commands/CommandObjectMemory.cpp
+++ b/source/Commands/CommandObjectMemory.cpp
@@ -1659,7 +1659,7 @@
 public:
   class OptionGroupMemoryRegion : public OptionGroup {
   public:
-    OptionGroupMemoryRegion() : OptionGroup(), m_all(false, false) {}
+    OptionGroupMemoryRegion() : m_all(false, false) {}
 
     ~OptionGroupMemoryRegion() override = default;