[SYCL][DOC] Fix some more documentation links (#5463)

Fix two more documentation links.  The links to
"PropertyList/SYCL_EXT_ONEAPI_property_list.asciidoc" were wrong even
before my recent reorg because the document used to be called
"SYCL_EXT_ONEAPI_properties.asciidoc".  The links to
"StaticLocalMemoryQuery/SYCL_INTEL_static_local_memory_query" were
somehow missed from eb350ee.

The "USM/README.md" file is no longer needed and should have been
deleted in 56af04a.

Author: gmlueck

sycl/ReleaseNotes.md

@@ -1667,7 +1667,7 @@ Release notes for the commit range ba404be..67d3d9e
   - [ExtendedAtomics documentation](doc/extensions/ExtendedAtomics/README.md)
     has been updated [1084685]
   - Published [sycl_bitcast extension](doc/extensions/Bitcast/SYCL_INTEL_bitcast.asciidoc)
-  - Published a [proposal](doc/extensions/StaticLocalMemoryQuery/SYCL_INTEL_static_local_memory_query.asciidoc)
+  - Published a [proposal](doc/extensions/proposed/SYCL_EXT_ONEAPI_LOCAL_STATIC_MEM_USED.asciidoc)
     which adds ability to query max local size which is used by a specific
     kernel and a specific device.
   - Published [device_specific_kernel_queries](doc/extensions/DeviceSpecificKernelQueries/SYCL_INTEL_device_specific_kernel_queries.asciidoc)

sycl/doc/CompileTimeProperties.md

@@ -1,12 +1,12 @@
 # Implementation design for compile time constant properties
 
 This document describes the implementation design for the DPC++ extension
-[SYCL\_EXT\_ONEAPI\_PROPERTY\_LIST][1], which adds a general mechanism for
+[SYCL\_EXT\_ONEAPI\_PROPERTIES][1], which adds a general mechanism for
 specifying properties which are known at compile time.  This extension is not
 itself a feature, but rather a building block that can be incorporated into
 other features.
 
-[1]: <extensions/PropertyList/SYCL_EXT_ONEAPI_property_list.asciidoc>
+[1]: <extensions/proposed/SYCL_EXT_ONEAPI_PROPERTIES.asciidoc>
 
 There are a number of situations where we plan to use compile-time constant
 properties, but this design document does not attempt to address them all.

sycl/doc/extensions/README.md

@@ -9,9 +9,7 @@ DPC++ extensions status:
 |-------------|:------------|:------------|
 | [SPV_INTEL_function_pointers](SPIRV/SPV_INTEL_function_pointers.asciidoc)                                                   | Supported(OpenCL: CPU, GPU; HOST)         | |
 | [SPV_INTEL_inline_assembly](SPIRV/SPV_INTEL_inline_assembly.asciidoc)                                                       | Supported(OpenCL: GPU)                    | |
-| [SYCL_INTEL_static_local_memory_query](StaticLocalMemoryQuery/SYCL_INTEL_static_local_memory_query.asciidoc)                | Proposal                                  | |
 | [Sub-groups for NDRange Parallelism](SubGroupNDRange/SubGroupNDRange.md)                                                    | Deprecated(OpenCL: CPU, GPU)              | |
-| [Property List](PropertyList/SYCL_EXT_ONEAPI_property_list.asciidoc)                                                        | Proposal                                  | |
 
 Legend:
 

sycl/doc/extensions/USM/README.md

@@ -58,7 +58,7 @@ Roland Schulz, Intel
 This extension is written against the SYCL 2020 specification, Revision 4 and
 the following extensions:
 
-- https://github.com/intel/llvm/blob/sycl/sycl/doc/extensions/PropertyList/SYCL_EXT_ONEAPI_properties.asciidoc[SYCL_EXT_ONEAPI_PROPERTIES]
+- link:SYCL_EXT_ONEAPI_PROPERTIES.asciidoc[SYCL_EXT_ONEAPI_PROPERTIES]
 
 == Feature Test Macro