feat: remove flexsearch stub types (#756)

frontend/package.json

@@ -115,7 +115,6 @@
     "@histoire/plugin-vue": "1.0.0-alpha.2",
     "@tsconfig/node22": "22.0.1",
     "@types/codemirror": "5.60.15",
-    "@types/flexsearch": "0.7.42",
     "@types/is-touch-device": "1.0.3",
     "@types/node": "22.15.17",
     "@types/sortablejs": "1.15.8",

frontend/pnpm-lock.yaml

@@ -218,9 +218,6 @@ importers:
       '@types/codemirror':
         specifier: 5.60.15
         version: 5.60.15
-      '@types/flexsearch':
-        specifier: 0.7.42
-        version: 0.7.42
       '@types/is-touch-device':
         specifier: 1.0.3
         version: 1.0.3
@@ -2422,10 +2419,6 @@ packages:
   '@types/estree@1.0.7':
     resolution: {integrity: sha512-w28IoSUCJpidD/TGviZwwMJckNESJZXFu7NBZ5YJ4mEUnNraUn9Pm8HSZm/jDF1pDWYKspWE7oVphigUPRakIQ==}
 
-  '@types/flexsearch@0.7.42':
-    resolution: {integrity: sha512-FdKaw3dPgcCvqU9w8SGgqx8PrxFF2EKySRhEj1nc45HNe/2cBLff3pF52C67hzeUbNhq49t7XRIIibBd41vcIg==}
-    deprecated: This is a stub types definition. flexsearch provides its own type definitions, so you do not need this installed.
-
   '@types/fs-extra@11.0.4':
     resolution: {integrity: sha512-yTbItCNreRooED33qjunPthRcSjERP1r4MqCZc7wv0u2sUkzTFp45tgUfS5+r7FrZPdmCCNflLhVSP/o+SemsQ==}
 
@@ -9274,10 +9267,6 @@ snapshots:
 
   '@types/estree@1.0.7': {}
 
-  '@types/flexsearch@0.7.42':
-    dependencies:
-      flexsearch: 0.7.43(patch_hash=f7066310ad918eadadaf64278c0a00d7ca785faf7d7fb631392b50db140954a6)
-
   '@types/fs-extra@11.0.4':
     dependencies:
       '@types/jsonfile': 6.1.4