cpu: Delete unnecessary create() methods.

These were added in changes which were created before create() methods
were mostly automated, but were checked in after the then unnecessary
create() methods were purged.

Change-Id: I03da797ae8328fab6ef6b85dbc4ea86b34512fd5
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/42743
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
diff --git a/src/cpu/testers/gpu_ruby_test/cpu_thread.cc b/src/cpu/testers/gpu_ruby_test/cpu_thread.cc
index fa801b3..d0ac10e 100644
--- a/src/cpu/testers/gpu_ruby_test/cpu_thread.cc
+++ b/src/cpu/testers/gpu_ruby_test/cpu_thread.cc
@@ -43,12 +43,6 @@
     assert(numLanes == 1);
 }
 
-CpuThread*
-CpuThreadParams::create() const
-{
-    return new CpuThread(*this);
-}
-
 void
 CpuThread::issueLoadOps()
 {
diff --git a/src/cpu/testers/gpu_ruby_test/dma_thread.cc b/src/cpu/testers/gpu_ruby_test/dma_thread.cc
index 254158d..e5f79c9 100644
--- a/src/cpu/testers/gpu_ruby_test/dma_thread.cc
+++ b/src/cpu/testers/gpu_ruby_test/dma_thread.cc
@@ -48,12 +48,6 @@
 
 }
 
-DmaThread*
-DmaThreadParams::create() const
-{
-    return new DmaThread(*this);
-}
-
 void
 DmaThread::issueLoadOps()
 {
diff --git a/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc b/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
index f2f1343..a90b204 100644
--- a/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
+++ b/src/cpu/testers/gpu_ruby_test/gpu_wavefront.cc
@@ -48,12 +48,6 @@
 
 }
 
-GpuWavefront*
-GpuWavefrontParams::create() const
-{
-    return new GpuWavefront(*this);
-}
-
 void
 GpuWavefront::issueLoadOps()
 {
diff --git a/src/cpu/testers/gpu_ruby_test/protocol_tester.cc b/src/cpu/testers/gpu_ruby_test/protocol_tester.cc
index a8f8408..95e6035 100644
--- a/src/cpu/testers/gpu_ruby_test/protocol_tester.cc
+++ b/src/cpu/testers/gpu_ruby_test/protocol_tester.cc
@@ -357,9 +357,3 @@
 
     return true;
 }
-
-ProtocolTester*
-ProtocolTesterParams::create() const
-{
-    return new ProtocolTester(*this);
-}