remove redundant moves

src/nfa/goughcompile.cpp

@@ -1299,7 +1299,7 @@ unique_ptr<raw_report_info> gough_build_strat::gatherReports(
     *arbReport = MO_INVALID_IDX;
     assert(!ri->rl.empty()); /* all components should be able to generate
                                 reports */
-    return std::move(ri);
+    return ri;
 }
 
 u32 raw_gough_report_info_impl::getReportListSize() const {

src/nfa/mcclellancompile.cpp

@@ -462,7 +462,7 @@ unique_ptr<raw_report_info> mcclellan_build_strat::gatherReports(
         *isSingleReport = 0;
     }
 
-    return std::move(ri);
+    return ri;
 }
 
 u32 raw_report_info_impl::getReportListSize() const {

src/nfa/shengcompile.cpp

@@ -270,7 +270,7 @@ unique_ptr<raw_report_info> sheng_build_strat::gatherReports(
         *isSingleReport = 0;
     }
 
-    return std::move(ri);
+    return ri;
 }
 
 u32 sheng_build_strat::max_allowed_offset_accel() const {

src/parser/Parser.rl

@@ -2024,7 +2024,7 @@ unique_ptr<Component> parse(const char *ptr, ParseMode &globalMode) {
         // Ensure that all references are valid.
         checkReferences(*rootSeq, groupIndex, groupNames);
 
-        return std::move(rootSeq);
+        return rootSeq;
     } catch (LocatedParseError &error) {
         if (ts >= ptr && ts <= pe) {
             error.locate(ts - ptr);

tools/hsbench/engine_hyperscan.cpp

@@ -174,7 +174,7 @@ unique_ptr<EngineStream> EngineHyperscan::streamOpen(EngineContext &ectx,
         return nullptr;
     }
     stream->sn = streamId;
-    return std::move(stream);
+    return stream;
 }
 
 void EngineHyperscan::streamClose(unique_ptr<EngineStream> stream,