feat(parsers)!: remove gitlab-hosted blueprint, fusion, jsonc

Problem: Gitlab has too frequent outages, which break automation.

Solution: Drop all Gitlab-hosted parsers (two of which have been
unmaintained for years).

lua/nvim-treesitter/_meta/parsers.lua

@@ -3,7 +3,7 @@ error('Cannot require a meta file')
 
 ---@class InstallInfo
 ---
----URL of parser repo (Github/Gitlab)
+---URL of parser repo (Github)
 ---@field url string
 ---
 ---Commit hash of parser to download (compatible with queries)

lua/nvim-treesitter/parsers.lua

@@ -131,14 +131,6 @@ return {
     maintainers = { '@calebdw' },
     tier = 2,
   },
-  blueprint = {
-    install_info = {
-      revision = '355ef84ef8a958ac822117b652cf4d49bac16c79',
-      url = 'https://gitlab.com/gabmus/tree-sitter-blueprint',
-    },
-    maintainers = { '@gabmus' },
-    tier = 2,
-  },
   bp = {
     install_info = {
       revision = 'ee641d15390183d7535777947ce0f2f1fbcee69f',
@@ -623,14 +615,6 @@ return {
     maintainers = { '@amaanq' },
     tier = 2,
   },
-  fusion = {
-    install_info = {
-      revision = '19db2f47ba4c3a0f6238d4ae0e2abfca16e61dd6',
-      url = 'https://gitlab.com/jirgn/tree-sitter-fusion',
-    },
-    maintainers = { '@jirgn' },
-    tier = 2,
-  },
   gap = {
     install_info = {
       revision = '2bac14863b76ad0ff6fd7204c50574732acd66df',
@@ -1142,15 +1126,6 @@ return {
     maintainers = { '@Joakker' },
     tier = 2,
   },
-  jsonc = {
-    install_info = {
-      revision = '02b01653c8a1c198ae7287d566efa86a135b30d5',
-      url = 'https://gitlab.com/WhyNotHugo/tree-sitter-jsonc',
-    },
-    maintainers = { '@WhyNotHugo' },
-    requires = { 'json' },
-    tier = 2,
-  },
   jsonnet = {
     install_info = {
       revision = 'ddd075f1939aed8147b7aa67f042eda3fce22790',