fix: Broken links in state_machine_modules.md (#2094)

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## Overview
Closes: #2093 
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## Checklist

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- [ ] New and updated code has appropriate documentation
- [ ] New and updated code has new and/or updated testing
- [ ] Required CI checks are passing
- [ ] Visual proof for any user facing features like CLI or
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- [x] Linked issues closed with keywords

---------

Co-authored-by: Rootul Patel <rootulp@gmail.com>

specs/src/README.md

@@ -12,9 +12,9 @@
   - [Public-Key Cryptography](./specs/public_key_cryptography.md)
   - [Data Square Layout](./specs/data_square_layout.md)
 - [State Machine Modules](./specs/state_machine_modules.md)
-  - [blob](../../x/blob/README.md)
-  - [qgb](../../x/qgb/README.md)
-  - [mint](../../x/mint/README.md)
-  - [paramfilter](../../x/paramfilter/README.md)
-  - [upgrade](../../x/upgrade/README.md)
-  - [tokenfilter](../../x/tokenfilter/README.md)
+  - [blob](https://github.com/celestiaorg/celestia-app/blob/main/x/blob/README.md)
+  - [qgb](https://github.com/celestiaorg/celestia-app/blob/main/x/qgb/README.md)
+  - [mint](https://github.com/celestiaorg/celestia-app/blob/main/x/mint/README.md)
+  - [paramfilter](https://github.com/celestiaorg/celestia-app/blob/main/x/paramfilter/README.md)
+  - [upgrade](https://github.com/celestiaorg/celestia-app/blob/main/x/upgrade/README.md)
+  - [tokenfilter](https://github.com/celestiaorg/celestia-app/blob/main/x/tokenfilter/README.md)

specs/src/SUMMARY.md

@@ -14,9 +14,3 @@
   - [Public-Key Cryptography](./specs/public_key_cryptography.md)
   - [Data Square Layout](./specs/data_square_layout.md)
 - [State Machine Modules](./specs/state_machine_modules.md)
-  - [blob](../../x/blob/README.md)
-  - [qgb](../../x/qgb/README.md)
-  - [mint](../../x/mint/README.md)
-  - [paramfilter](../../x/paramfilter/README.md)
-  - [upgrade](../../x/upgrade/README.md)
-  - [tokenfilter](../../x/tokenfilter/README.md)

specs/src/specs/state_machine_modules.md

@@ -4,12 +4,12 @@ Celestia app is built using the cosmos-sdk, and follows standard cosmos-sdk modu
 
 ## `celestia-app` Specific Modules
 
-- [blob](../../../x/blob/README.md)
-- [qgb](../../../x/qgb/README.md)
-- [mint](../../../x/mint/README.md)
-- [paramfilter](../../../x/paramfilter/README.md)
-- [upgrade](../../../x/upgrade/README.md)
-- [tokenfilter](../../../x/tokenfilter/README.md)
+- [blob](https://github.com/celestiaorg/celestia-app/blob/main/x/blob/README.md)
+- [qgb](https://github.com/celestiaorg/celestia-app/blob/main/x/qgb/README.md)
+- [mint](https://github.com/celestiaorg/celestia-app/blob/main/x/mint/README.md)
+- [paramfilter](https://github.com/celestiaorg/celestia-app/blob/main/x/paramfilter/README.md)
+- [upgrade](https://github.com/celestiaorg/celestia-app/blob/main/x/upgrade/README.md)
+- [tokenfilter](https://github.com/celestiaorg/celestia-app/blob/main/x/tokenfilter/README.md)
 
 ## Standard `cosmos-sdk` Modules