[SYCL][ESIMD] Remove emulator mentions in documentation (#11778)

Author: turinevgeny

sycl/doc/EnvironmentVariables.md

@@ -41,7 +41,7 @@ ONEAPI_DEVICE_SELECTOR = <selector-string>
 <accept-filter> ::= <term>
 <discard-filter> ::= !<term>
 <term> ::= <backend>:<devices>
-<backend> ::= { * | level_zero | opencl | cuda | hip | esimd_emulator }  // case insensitive
+<backend> ::= { * | level_zero | opencl | cuda | hip }  // case insensitive
 <devices> ::= <device>[,<device>...]
 <device> ::= { * | cpu | gpu | fpga | <num> | <num>.<num> | <num>.* | *.* | <num>.<num>.<num> | <num>.<num>.* | <num>.*.* | *.*.*  }  // case insensitive
 ```

sycl/doc/GetStartedGuide.md

@@ -125,8 +125,6 @@ flags can be found by launching the script with `--help`):
 * `--hip-platform` -> select the platform used by the hip backend, `AMD` or
   `NVIDIA` (see [HIP AMD](#build-dpc-toolchain-with-support-for-hip-amd) or see
   [HIP NVIDIA](#build-dpc-toolchain-with-support-for-hip-nvidia))
-* `--enable-esimd-emulator` -> enable ESIMD CPU emulation (see
-  [ESIMD CPU emulation](#build-dpc-toolchain-with-support-for-esimd-cpu-emulation))
 * `--enable-all-llvm-targets` -> build compiler (but not a runtime) with all
   supported targets
 * `--shared-libs` -> Build shared libraries

sycl/doc/design/ESIMDDesignNotes.md

@@ -219,11 +219,6 @@ SYCL runtime (RT) has a few places where ESIMD is handled specially:
   adds `-vc-codegen` JIT options, which makes Intel GPU runtime use the vector
   backend (aka 'VC BE') to JIT-compile the device binary (SPIR-V).
   [Link](https://github.com/intel/llvm/blob/d7a7de79f8a6498bae52331f4789adcac76b8e8c/sycl/source/detail/program_manager/program_manager.cpp#L412).
-- Code related to ESIMD emulator support and ESIMD kernel invocation via ESIMD
-  emulator. Plugin
-  [sources](https://github.com/intel/llvm/blob/sycl/sycl/plugins/esimd_emulator/pi_esimd_emulator.cpp),
-  ESIMD kernel invocation via the emulator
-  [link](https://github.com/intel/llvm/blob/d7a7de79f8a6498bae52331f4789adcac76b8e8c/sycl/source/detail/scheduler/commands.cpp#L2369).
 
 ## TODOs
 

sycl/doc/design/PropagateCompilerFlagsToRuntime.md

@@ -128,7 +128,7 @@ pi_result piPluginGetBackendOption(pi_platform platform,
 
 In the level-zero and OpenCL plugins, the table provided in the 'Requirements'
 section is used as a guide to identify the appropriate backend option.
-The option is returned in `backend_option`. For other plugins (HIP, cuda, and
-ESIMD emulator), empty string is returned. This API returns `PI_SUCCESS` for
+The option is returned in `backend_option`. For other plugins (HIP, cuda),
+empty string is returned. This API returns `PI_SUCCESS` for
 valid inputs (frontend_option != ""). For invalid inputs, it returns
 `PI_ERROR_INVALID_VALUE`.

sycl/test-e2e/README.md

@@ -163,7 +163,7 @@ semicolon-separated list of configurations. Each configuration includes backend
 separated from comma-separated list of target devices with colon. Example:
 
 ```
--DSYCL_TEST_E2E_TARGETS="opencl:cpu;ext_oneapi_level_zero:gpu;ext_oneapi_cuda:gpu;ext_oneapi_hip:gpu;ext_intel_esimd_emulator:gpu"
+-DSYCL_TEST_E2E_TARGETS="opencl:cpu;ext_oneapi_level_zero:gpu;ext_oneapi_cuda:gpu;ext_oneapi_hip:gpu"
 ```
 
 ***OpenCL_LIBRARY*** - path to OpenCL ICD loader library. OpenCL
@@ -210,8 +210,7 @@ unavailable.
 
  * **windows**, **linux** - host OS;
  * **cpu**, **gpu**, **accelerator** - target device;
- * **cuda**, **hip**, **opencl**, **level_zero**, **esimd_emulator** - target
-     backend;
+ * **cuda**, **hip**, **opencl**, **level_zero** - target backend;
  * **sycl-ls** - sycl-ls tool availability;
  * **cm-compiler** - C for Metal compiler availability;
  * **cl_options** - CL command line options recognized (or not) by compiler;
@@ -240,8 +239,7 @@ configure specific single test execution in the command line:
  * **dpcpp_compiler** - full path to dpcpp compiler;
  * **sycl_devices** - `"backend0:device0[;backendN:deviceN]*"` where `backend`
     is one of `opencl`, `ext_oneapi_hip`, `ext_oneapi_cuda`,
-    `ext_oneapi_level_zero`, `ext_intel_esimd_emulator` and `device` is one of
-    `cpu`, `gpu` or `acc`.
+    `ext_oneapi_level_zero` and `device` is one of `cpu`, `gpu` or `acc`.
  * **dump_ir** - if IR dumping is supported for compiler (True, False);
  * **compatibility_testing** - forces LIT infra to skip the tests compilation
    to support compatibility testing (a SYCL application is built with one