Deprecate experiments and pulse RFCs (#73)

* deprecate RFCs

* change the status

* Update 0012-Pulse-Compiler-and-IR.md

* Apply suggestions from code review

---------

Co-authored-by: Luciano Bello <bel@zurich.ibm.com>

0012-Pulse-Compiler-and-IR.md

@@ -1,6 +1,6 @@
 # Pulse Compiler & IR
 
-| **Status**        | **Proposed** |
+| **Status**        | **[Not planned](https://github.com/Qiskit/RFCs/pull/73)** |
 |:------------------|:---------------------------------------------|
 | **RFC #**         | 0012                                         |
 | **Authors**       | Tsafrir Armon (tsafrir.armon@ibm.com),  Naoki Kanazawa (knzwnao@jp.ibm.com)    |

0014-overhaul-qiskit-experiments.md

@@ -1,6 +1,6 @@
 # Overhaul Qiskit Experiments
 
-| **Status**        | **Accepted**                             |
+| **Status**        | **[Not planned](https://github.com/Qiskit/RFCs/pull/73)** |
 |:------------------|:-----------------------------------------|
 | **RFC #**         | 0014                                     |
 | **Authors**       | Naoki Kanazawa (nkanazawa1989@gmail.com) |

README.md

@@ -26,9 +26,9 @@ facilitate that and collect feedback prior to implementation.
 | `0017` [Base Primitive and Units of Primitive Work](0017-base-primitive-unification.md) | Implementation in progress | [RFC PR](https://github.com/Qiskit/RFCs/pull/53/) \| [Implementation](https://github.com/Qiskit/qiskit/pull/11524) |
 | `0016` [SamplerV2](0016-sampler-interface.md) | Implementation in progress | [RFC PR](https://github.com/Qiskit/RFCs/pull/56/) \| Implementation: [1](https://github.com/Qiskit/qiskit/pull/11566), [2](https://github.com/Qiskit/qiskit/pull/11529) |
 | `0015` [Extended Estimator Interface](0015-estimator-interface.md) | Implementation in progress | [RFC PR](https://github.com/Qiskit/RFCs/pull/51) \| [Implementation](https://github.com/Qiskit/qiskit/pull/11227) |
-| `0014` [Overhaul Qiskit Experiments](0014-overhaul-qiskit-experiments.md) | Implementation in progress | [RFC PR](https://github.com/Qiskit/RFCs/pull/47) \| [Implementation](https://github.com/Qiskit-Extensions/qiskit-experiments/issues/1268) |
+| `0014` [Overhaul Qiskit Experiments](0014-overhaul-qiskit-experiments.md) | [Not planned](https://github.com/Qiskit/RFCs/pull/73) | [RFC PR](https://github.com/Qiskit/RFCs/pull/47) \| [Implementation](https://github.com/Qiskit-Extensions/qiskit-experiments/issues/1268) |
 | `0013` [Plan to move `Qiskit/qiskit-terra/algorithms` module to `qiskit-community/qiskit-algorithms` independent repo](0013-algorithms-migration.md) | Implemented | [RFC PR](https://github.com/Qiskit/RFCs/pull/44/) \| [Implementation](https://github.com/Qiskit/RFCs/issues/48)|
-| `0012` [Pulse Compiler & IR](0012-Pulse-Compiler-and-IR.md) | Implementation in progress | [RFC PR](https://github.com/Qiskit/RFCs/pull/45) \| [Implementation](https://github.com/Qiskit/qiskit/issues/10759)|
+| `0012` [Pulse Compiler & IR](0012-Pulse-Compiler-and-IR.md) | [Not planned](https://github.com/Qiskit/RFCs/pull/73) | [RFC PR](https://github.com/Qiskit/RFCs/pull/45) \| [Implementation](https://github.com/Qiskit/qiskit/issues/10759)|
 | `0011` [Plan to rename `Qiskit/qiskit-terra` repo to `Qiskit/qiskit`](0011-repo-rename.md) | Implemented | [RFC PR](https://github.com/Qiskit/RFCs/pull/31) \| [Implementation](https://github.com/Qiskit/RFCs/issues/41) |
 | `0010` [Preliminary representation of rvalue classical expression in Qiskit](0010-simple-classical-representations.md) | Implemented | [RFC PR](https://github.com/Qiskit/RFCs/pull/30) \| [Implementation](https://github.com/Qiskit/qiskit-terra/issues/10239) |
 | `0009` [`Operation`: the interface for valid `QuantumCircuit` operations](0009-interface-for-circuit-operations.md) | Implemented | [RFC PR](https://github.com/Qiskit/RFCs/pull/25) \| [Implementation](https://github.com/Qiskit/qiskit-terra/pull/7087)|