platform: disable timeline quick view on getafix and spalding_gabbro

Timeline Quick View (Peek) is not optimized for these boards yet.
Remove HAS_TIMELINE_PEEK capability from spalding_gabbro and
getafix_evt/getafix_dvt board definitions to disable the feature
at compile time.

Fixes FIRM-1380

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: ericagent <ericmigi@users.noreply.github.com>

Author: ericmigi

platform/platform_capabilities.py

@@ -176,7 +176,6 @@
             "HAS_SDK_SHELL4",
             "HAS_SPRF_V3",
             "HAS_TEMPERATURE",
-            "HAS_TIMELINE_PEEK",
             "HAS_VIBE_SCORES",
             "USE_PARALLEL_FLASH",
             "HAS_WEATHER",
@@ -300,7 +299,6 @@
             "HAS_SDK_SHELL4",
             "HAS_SPRF_V3",
             "HAS_TEMPERATURE",
-            "HAS_TIMELINE_PEEK",
             "HAS_VIBE_SCORES",
             "HAS_WEATHER",
             "HAS_PUTBYTES_PREACKING",