Removing comparison operators not needed anymore

Signed-off-by: Emilio Cuesta <emiliocuesta@eprosima.com>

Author: emiliocuestaf

cpp_utils/include/cpp_utils/ReturnCode.hpp

@@ -73,14 +73,6 @@ class ReturnCode
     bool operator !=(
             const ReturnCode& c) const noexcept;
 
-    CPP_UTILS_DllAPI
-    bool operator ==(
-            const ReturnCodeValue& c) const noexcept;
-
-    CPP_UTILS_DllAPI
-    bool operator !=(
-            const ReturnCodeValue& c) const noexcept;
-
     CPP_UTILS_DllAPI
     bool operator <(
             const ReturnCode& other) const noexcept;

cpp_utils/src/cpp/ReturnCode.cpp

@@ -84,18 +84,6 @@ bool ReturnCode::operator !=(
     return value_ != c.value_;
 }
 
-bool ReturnCode::operator ==(
-        const ReturnCodeValue& c) const noexcept
-{
-    return value_ == c;
-}
-
-bool ReturnCode::operator !=(
-        const ReturnCodeValue& c) const noexcept
-{
-    return value_ != c;
-}
-
 bool ReturnCode::operator <(
         const ReturnCode& other) const noexcept
 {