[libc] Tempporarily disable fixed point entry points until #80757 is merged. (#81945)

Author: lntue

libc/config/linux/x86_64/entrypoints.txt

@@ -445,12 +445,13 @@ endif()
 if(LIBC_COMPILER_HAS_FIXED_POINT)
   list(APPEND TARGET_LIBM_ENTRYPOINTS
     # stdfix.h _Fract and _Accum entrypoints
-    libc.src.stdfix.abshk
-    libc.src.stdfix.abshr
-    libc.src.stdfix.absk
-    libc.src.stdfix.absr
-    libc.src.stdfix.abslk
-    libc.src.stdfix.abslr
+    # Re-enable the entry points once #80757 is merged.
+    # libc.src.stdfix.abshk
+    # libc.src.stdfix.abshr
+    # libc.src.stdfix.absk
+    # libc.src.stdfix.absr
+    # libc.src.stdfix.abslk
+    # libc.src.stdfix.abslr
   )
 endif()