Remove Aspen M-2 references from Rigetti samples (microsoft#803)

* Remove Aspen M-2 references from Rigetti samples

* Fixing the title for the Rigetti Q# sample

samples/azure-quantum/hello-world/HW-rigetti-qiskit.ipynb

@@ -131,7 +131,6 @@
         "| Target name | Target ID | Number of qubits | Description |\n",
         "| --- | --- | --- | --- |\n",
         "| Rigetti QVM (simulator) | `rigetti.sim.qvm` | 20 qubits | Rigetti's cloud-based, [open-source](https://github.com/quil-lang/qvm) \"Quantum Virtual Machine\" simulator. Free to use. |\n",
-        "| Aspen M-2 (hardware) | `rigetti.qpu.aspen-m-2` | 80 qubits | Rigetti's \"Aspen-M-2\" universal, physical QPU. Read more at [Rigetti's website](https://qcs.rigetti.com/qpus). |\n",
         "| Aspen M-3 (hardware) | `rigetti.qpu.aspen-m-3` | 80 qubits | Rigetti's \"Aspen-M-3\" universal, physical QPU. Read more at [Rigetti's website](https://qcs.rigetti.com/qpus). |\n",
         "\n",
         "\n",
@@ -344,7 +343,7 @@
       },
       "source": [
         "### 5. Next steps\n",
-        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `RigettiTarget.QVM` with `RigettiTarget.ASPEN_M_2` or `RigettiTarget.ASPEN_M_3`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
+        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `RigettiTarget.QVM` with `RigettiTarget.ASPEN_M_3`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
         "\n",
         "To learn more about submitting Qiskit circuits to Azure Quantum, review the Qiskit section of the [Azure Quantum documentation's page on Qiskit jobs](https://docs.microsoft.com/azure/quantum/quickstart-microsoft-qiskit?pivots=platform-rigetti).\n",
         "\n",

samples/azure-quantum/hello-world/HW-rigetti-qsharp.ipynb

@@ -5,7 +5,7 @@
       "id": "f4504484-5868-402a-85c3-76858e78d502",
       "metadata": {},
       "source": [
-        "# 👋🌍 Hello, world: Submit a Qiskit job to Rigetti\n",
+        "# 👋🌍 Hello, world: Submit a Q# job to Rigetti\n",
         "\n",
         "In this notebook, we'll review the basics of Azure Quantum by submitting a simple *job*, or quantum program, to [Rigetti](https://www.rigetti.com/). We will use [Q#](https://docs.microsoft.com/azure/quantum/user-guide/) to express the quantum job."
       ]
@@ -141,7 +141,6 @@
         "| Target name | Target ID | Number of qubits | Description |\n",
         "| --- | --- | --- | --- |\n",
         "| Rigetti QVM (simulator) | `rigetti.sim.qvm` | 20 qubits | Rigetti's cloud-based, [open-source](https://github.com/quil-lang/qvm) \"Quantum Virtual Machine\" simulator. Free to use. |\n",
-        "| Aspen M-2 (hardware) | `rigetti.qpu.aspen-m-2` | 80 qubits | Rigetti's \"Aspen-M-2\" universal, physical QPU. Read more at [Rigetti's website](https://qcs.rigetti.com/qpus). |\n",
         "| Aspen M-3 (hardware) | `rigetti.qpu.aspen-m-3` | 80 qubits | Rigetti's \"Aspen-M-3\" universal, physical QPU. Read more at [Rigetti's website](https://qcs.rigetti.com/qpus). |\n",
         "\n",
         "For this example, we will use `rigetti.sim.qvm`. To learn more about Rigetti's targets, check out [Rigetti's Azure Quantum documentation](https://docs.microsoft.com/azure/quantum/provider-rigetti)."
@@ -321,7 +320,7 @@
       },
       "source": [
         "### 5. Next steps\n",
-        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `RigettiTarget.QVM` with `RigettiTarget.ASPEN_M_2` or `RigettiTarget.ASPEN_M_3`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
+        "Next, you can try running a program on one of Rigetti's hardware targets. Just replace `RigettiTarget.QVM` with `RigettiTarget.ASPEN_M_3`. Or try another sample by navigating back to the sample gallery. The same \"hello world\" sample can be run with different quantum providers by choosing another option in the gallery card drop-down menu. Don't worry - your work here is automatically saved.\n",
         "\n",
         "To learn more about submitting jobs to Azure Quantum using Q#, refer to the [Azure Quantum documentation](https://docs.microsoft.com/azure/quantum/how-to-submit-jobs?pivots=ide-python).\n",
         "\n",